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Master Electrical Component List (Buick)

Code Name Option Location Locator View Connector End View
A3L Sunshade - Left - In the passenger compartment, at the top left of the windshield Headliner Components (Buick) A3L Sunshade - Left
A3R Sunshade - Right - In the passenger compartment, at the top right of the windshield Headliner Components (Buick) A3R Sunshade - Right
A7 Fuel Pump and Level Sensor Assembly - Underneath the vehicle, inside the fuel tank Fuel Tank Components (Buick) A7 Fuel Pump and Level Sensor Assembly
A9A Outside Rearview Mirror - Driver - Outside the vehicle, at the front of the driver door
A9B Outside Rearview Mirror - Passenger - Outside the vehicle, at the front of the passenger door
A10 Inside Rearview Mirror DD8 Inside passenger compartment. On windshield close to the top in center. Headliner Components (Buick) A10 Inside Rearview Mirror
A11 Radio - In the passenger compartment, in the center of the instrument panel Front of Instrument Panel Components (Buick)
A14D Seat Lumbar Support Pump - Driver - In the passenger compartment, in the driver seat back - A14D Seat Lumbar Support Pump - Driver (AR9)
A14P Seat Lumbar Support Pump - Passenger - In the passenger compartment, in the passenger seat back - A14P Seat Lumbar Support Pump - Passenger (AQ5)
A23D Door Latch Assembly - Driver - Inside the driver door, at the rear of the door A23D Door Latch Assembly - Driver
A23LR Door Latch Assembly - Left Rear - Inside the left rear door, at the rear of the door A23LR Door Latch Assembly - Left Rear
A23P Door Latch Assembly - Passenger - Inside the passenger door, at the rear of the door A23P Door Latch Assembly - Passenger
A23RR Door Latch Assembly - Right Rear - Inside the right rear door, at the rear of the door A23RR Door Latch Assembly - Right Rear
A24D Door Handle Assembly - Driver Exterior - Outside the driver door, at rear of the door - A24D Door Handle Assembly - Driver Exterior
A24LR Door Handle Assembly - Left Rear Exterior - Outside the left rear door, at rear of the door - A24LR Door Handle Assembly - Left Rear Exterior
A24P Door Handle Assembly - Passenger Exterior - Outside the passenger door, at rear of the door - A24P Door Handle Assembly - Passenger Exterior
A24RR Door Handle Assembly - Right Rear Exterior - Outside the right rear door, at rear of the door - A24RR Door Handle Assembly - Right Rear Exterior
A26 HVAC Controls - Inside passenger compartment, in the lower center of the dash Front of Instrument Panel Components (Buick) A26 HVAC Controls
B1 A/C Refrigerant Pressure Sensor - In the engine compartment, above the A/C compressor, in the air conditioning compressor and condenser hose, on the pressure side Left Front of Engine Components (Buick)
B5LF Wheel Speed Sensor - Left Front - Outside the vehicle, in the left front steering knuckle Wheel Components (Buick) B5LF Wheel Speed Sensor - Left Front
B5LR Wheel Speed Sensor - Left Rear - Outside the vehicle, in the left rear drum brake spacer Wheel Components (Buick) B5LR Wheel Speed Sensor - Left Rear
B5RF Wheel Speed Sensor - Right Front - Outside the vehicle, in the right front steering knuckle Wheel Components (Buick) B5RF Wheel Speed Sensor - Right Front
B5RR Wheel Speed Sensor - Right Rear - Outside the vehicle, in the right rear drum brake spacer Wheel Components (Buick) B5RR Wheel Speed Sensor - Right Rear
B7D Air Temperature Sensor - Duct Left Lower CJ2 Behind the instrument panel, on the left lower HVAC ducting HVAC Components (Buick, 1 of 2) B7D Air Temperature Sensor - Duct Left Lower (CJ2)
B7E Air Temperature Sensor - Duct Right Lower CJ2 Behind the instrument panel, on the right lower HVAC ducting HVAC Components (Buick, 1 of 2) B7E Air Temperature Sensor - Duct Right Lower (CJ2)
B7H Air Temperature Sensor - Duct Left Upper CJ2 Behind the instrument panel, on the left upper HVAC ducting HVAC Components (Buick, 1 of 2) B7H Air Temperature Sensor - Duct Left Upper (CJ2)
B7J Air Temperature Sensor - Duct Right Upper CJ2 Behind the instrument panel, on the right upper HVAC ducting HVAC Components (Buick, 1 of 2) B7J Air Temperature Sensor - Duct Right Upper (CJ2)
B9 Ambient Air Temperature Sensor - Outside the vehicle, behind the lower grille insert, on the passenger side Front of Vehicle Components (Buick) B9 Ambient Air Temperature Sensor
B10B Ambient Light/Sunload Sensor CJ2/C4P In Passenger Compartment. On top Do Instrument Panel. Front of Instrument Panel Components (Buick) B10B Ambient Light/Sunload Sensor
B12A Transmission Fluid Pressure Switch - In the engine compartment, internal to the automatic transmission assembly - -
B13 Transmission Fluid Temperature Sensor - In the engine compartment, internal to the automatic transmission assembly - -
B14A Transmission Output Shaft Speed Sensor - In the engine compartment, internal to the automatic transmission assembly - -
B14C Transmission Input Shaft Speed Sensor - In the engine compartment, internal to the automatic transmission assembly - -
B15 Transmission Internal Mode Switch - In the engine compartment, internal to the automatic transmission assembly - -
B18 Battery Current Sensor LUV In the left front of the engine compartment, in front of the battery, on the negative battery cable Left of Engine Compartment Components (Buick, 1 of 2) B18 Battery Current Sensor
B19B Brake Booster Vacuum Sensor - In the rear of the engine compartment, drivers side, on the brake booster Left of Engine Compartment Components (Buick, 1 of 2) B19B Brake Booster Vacuum Sensor
B20 Brake Fluid Level Switch - At the rear of the engine compartment, driver's side, on the brake master cylinder Left of Engine Compartment Components (Buick, 1 of 2) B20 Brake Fluid Level Switch
B22 Brake Pedal Position Sensor - In the passenger compartment, under the driver side of the instrument panel, above the brake pedal Foot Pedal Components (Buick) B22 Brake Pedal Position Sensor
B23E Camshaft Position Sensor - Exhaust - In the engine compartment, on the upper right front corner of the cylinder head Right Rear Of Engine Components (Buick) B23E Camshaft Position Sensor - Exhaust
B23F Camshaft Position Sensor - Intake - In the engine compartment, on the upper right rear corner of the cylinder head Right Rear Of Engine Components (Buick) B23F Camshaft Position Sensor - Intake
B24 Mobile Telephone Microphone - In the front of the passenger compartment, in the center, behind the dome lamp bezel Headliner Components (Buick) B24 Mobile Telephone Microphone
B26 Crankshaft Position Sensor - In the engine compartment, on the lower left side of the engine, below the starter Right Rear Of Engine Components (Buick) B26 Crankshaft Position Sensor (LUV)
B34 Engine Coolant Temperature Sensor - In the engine compartment, on the left side of the engine, below the thermostat housing Left Front of Engine Components (Buick) B34 Engine Coolant Temperature Sensor
B37 Engine Oil Pressure Switch LUV In the engine compartment, mounted to the left front of the engine, in-between the exhaust manifold and the flex plate Left Front of Engine Components (Buick) B37 Engine Oil Pressure Switch
B39 A/C Evaporator Temperature Sensor - In the passenger compartment, in the HVAC assembly, on the left side, near the evaporator HVAC Components (Buick, 2 of 2) B39 A/C Evaporator Temperature Sensor
B46A Fuel Level Sensor - Primary - Underneath the vehicle, inside the fuel tank, internal to A7 Fuel Pump and Level Sensor Assembly - -
B46B Fuel Level Sensor - Secondary F46 Under the vehicle, inside the fuel tank, part of the fuel pump and level sensor assembly Fuel Tank Components (Buick) B46B Fuel Level Sensor - Secondary
B47 Fuel Pressure Sensor - In the engine compartment, on top of the engine towards the right rear, at the end of the fuel rail - B47 Fuel Pressure Sensor
B52A Heated Oxygen Sensor 1 - In the engine compartment, in front of the engine, in the exhaust manifold Left Front of Engine Components (Buick) B52A Heated Oxygen Sensor 1
B52B Heated Oxygen Sensor 2 - In the engine compartment, behind the engine, in the exhaust pipe Right Rear Of Engine Components (Buick) B52B Heated Oxygen Sensor 2
B55 Engine Hood Switch BTV/UTJ In the front of the engine compartment, by the hood latch assembly Front of Engine Compartment Components (Buick) B55 Engine Hood Switch
B60 Passenger Presence Sensor - In the passenger compartment, In the Passenger Seat - -
B61P Seat Belt Tension Sensor - Passenger - In the passenger compartment, at the passenger seat bottom - B61P Seat Belt Tension Sensor - Passenger
B63L Side Impact Sensor - Left - In the passenger compartment, In Left front door. Close to where wires for left front door enter door. Front of Engine Compartment Components (Buick) B63L Side Impact Sensor - Left
B63LF Side Impact Sensor - Left Front - In the passenger compartment, In Left front door. Close to where wires for left front door enter door. - B63LF Side Impact Sensor - Left Front
B63LR Side Impact Sensor - Left Rear - In the passenger compartment, at the bottom of the left B-pillar, behind the trim panel - B63LR Side Impact Sensor - Left Rear
B63R Side Impact Sensor - Right - In the passenger compartment, In right front door. Close to where wires for right front door enter door. Front of Engine Compartment Components (Buick) B63R Side Impact Sensor - Right
B63RF Side Impact Sensor - Right Front - In the passenger compartment, In right front door. Close to where wires for right front door enter door. - B63RF Side Impact Sensor - Right Front
B63RR Side Impact Sensor - Right Rear - In the passenger compartment, at the bottom of the right B-pillar, behind the trim panel - B63RR Side Impact Sensor - Right Rear
B68 Knock Sensor LUV In the engine compartment, on the back of the engine block, below the intake manifold Right Rear Of Engine Components (Buick) B68 Knock Sensor
B74 Manifold Absolute Pressure Sensor - In the engine compartment, towards the left rear of the engine, on the side of the intake manifold Left Front of Engine Components (Buick) B74 Manifold Absolute Pressure Sensor
B75C Multifunction Intake Air Sensor - In the engine compartment, attached to the air intake tube Left Front of Engine Components (Buick) B75C Multifunction Intake Air Sensor
B77LF Radio Volume Compensator Interior Noise Microphone - Left Front - In Headliner, at the front of the vehicle Headliner Components (Buick) B77LF Radio Volume Compensator Interior Noise Microphone - Left Front
B77R Radio Volume Compensator Interior Noise Microphone - Rear - In Headliner, at the Middle to rear of the vehicle Headliner Components (Buick) B77R Radio Volume Compensator Interior Noise Microphone - Rear
B77RF Radio Volume Compensator Interior Noise Microphone - Right Front - In Headliner, at the front of the vehicle Headliner Components (Buick) B77RF Radio Volume Compensator Interior Noise Microphone - Right Front
B80 Park Brake Switch - In the passenger compartment, under the center console, at the base of the park brake handle B80 Park Brake Switch
B81B Park Position Switch - Internal to S3 Transmission Shift Lever - -
B87 Rearview Camera UVC At rear of vehicle. On Outside of vehicle, above license plate, Between license plate lamp. Rear of Vehicle Components (Buick) B87 Rearview Camera
B88D Seat Belt Switch - Driver - In Seat Belt Buckle- Driver - -
B88P Seat Belt Switch - Passenger - In Seat Belt Buckle- Passenger - -
B99 Steering Wheel Angle Sensor - Inside the vehicle, on the steering column, behind the steering wheel air bag coil Steering Column Components (Buick) B99 Steering Wheel Angle Sensor
B107 Accelerator Pedal Position Sensor - In the passenger compartment, under the driver side of the instrument panel, above the accelerator pedal Foot Pedal Components (Buick) B107 Accelerator Pedal Position Sensor
B111B Turbocharger Boost/Intake Air Temperature Sensor LUV In the engine compartment, In the intake tube before the Throttle Body. Bottom of Engine Components (Buick) B111B Turbocharger Boost/Intake Air Temperature Sensor
B150 Fuel Tank Pressure Sensor - Under Car, On the fuel tank harness. Between Fuel tank and bottom of car. - B150 Fuel Tank Pressure Sensor
B153D Seat Belt Buckle - Driver - In the passenger compartment, between the driver seat and the center console Driver Seat Components (Buick) B153D Seat Belt Buckle - Driver
B153P Seat Belt Buckle - Passenger - In the passenger compartment, between the passenger seat and the center console Passenger Seat Components (Buick) B153P Seat Belt Buckle - Passenger
B160 Windshield Temperature and Inside Moisture Sensor ASV-UFL At the top center of the windshield, adjacent to A10 Inside Rearview Mirror Headliner Components (Buick) B160 Windshield Temperature and Inside Moisture Sensor
B174W Frontview Camera - Windshield UFL In the passenger compartment, mounted to the top center of the windshield, adjacent to A10 Inside Rearview Mirror B174W Frontview Camera - Windshield (UFL)
B177 Rain/Ambient Light Sensor Module CE1-UFL In the passenger compartment, mounted on the windshield - B177 Rain/Ambient Light Sensor Module
B203 Radiator Coolant Temperature Sensor LUV In the engine compartment, Near the Radiator Front of Engine Compartment Components (Buick) B203 Radiator Coolant Temperature Sensor
B218L Side Object Sensor Module - Left UFT At the left rear of the vehicle, mounted to the inside of the rear fascia - B218L Side Object Sensor Module - Left
B218R Side Object Sensor Module - Right UFT At the right rear of the vehicle, mounted to the inside of the rear fascia - B218R Side Object Sensor Module - Right
B224 Multifunction Windshield Sensor CE1+UFL In the passenger compartment, mounted on the windshield Headliner Components (Buick) B224 Multifunction Windshield Sensor
B306A Parking Assist Sensor - Front Left Outer UD5 Outside the front of the vehicle, behind the front fascia, right outer position Front of Vehicle Components (Buick) B306A Parking Assist Sensor - Front Left Outer
B306B Parking Assist Sensor - Front Left Middle UD5 Outside the front of the vehicle, behind the front fascia, left middle position Front of Vehicle Components (Buick) B306B Parking Assist Sensor - Front Left Middle
B306C Parking Assist Sensor - Front Right Middle UD5 Outside the front of the vehicle, behind the front fascia, right middle position Front of Vehicle Components (Buick) B306C Parking Assist Sensor - Front Right Middle
B306D Parking Assist Sensor - Front Right Outer UD5 Outside the front of the vehicle, behind the front fascia, left outer position Front of Vehicle Components (Buick) B306D Parking Assist Sensor - Front Right Outer
B306E Parking Assist Sensor - Rear Left Outer UD5 Outside the rear of the vehicle, behind the rear fascia, right outer position Rear of Vehicle Components (Buick) B306E Parking Assist Sensor - Rear Left Outer
B306F Parking Assist Sensor - Rear Left Middle UD5 Outside the rear of the vehicle, behind the rear fascia, left middle position Rear of Vehicle Components (Buick) B306F Parking Assist Sensor - Rear Left Middle
B306G Parking Assist Sensor - Rear Right Middle UD5 Outside the rear of the vehicle, behind the rear fascia, right middle position Rear of Vehicle Components (Buick) B306G Parking Assist Sensor - Rear Right Middle
B306H Parking Assist Sensor - Rear Right Outer UD5 Outside the rear of the vehicle, behind the rear fascia, left outer position Rear of Vehicle Components (Buick) B306H Parking Assist Sensor - Rear Right Outer
C1 Battery - In the front left corner of the engine compartment - C1 Battery
C3 Telematics Communication Interface Control Module Battery - In passenger compartment, behind dash on passenger side. - C3 Telematics Communication Interface Control Module Battery
E2LF Side Marker Lamp - Left Front - Internal to E13LA Headlamp Assembly - Left - -
E2LR Side Marker Lamp - Left Rear - At the rear of the vehicle, internal to E42L Tail Lamp Assembly - Left - -
E2RF Side Marker Lamp - Right Front - Internal to E13RA Headlamp Assembly - Right - -
E2RR Side Marker Lamp - Right Rear - At the rear of the vehicle, internal to E42R Tail Lamp Assembly - Right - -
E4AC Park/Daytime Running Lamp - Left T4L Internal to E13LA Headlamp Assembly - Left - -
E4AD Park/Daytime Running Lamp - Right T4L Internal to E13RA Headlamp Assembly - Right - -
E4C Daytime Running Lamp - Left SBM outside the passenger compartment, located on the left side of front bumper cover - -
E4D Daytime Running Lamp - Right SBM outside the passenger compartment, located on the right side of front bumper cover - -
E4E Headlamp - Left High Beam SBM Internal to E13LA Headlamp Assembly - Left -
E4F Headlamp - Right High Beam SBM Internal to E13RA Headlamp Assembly - Right -
E4G Headlamp - Left Low Beam SBM Internal to E13LA Headlamp Assembly - Left Headlamp Components (Buick with SBM) -
E4GA Headlamp - Left Low Beam Inner T4L Internal to E13LA Headlamp Assembly - Left Headlamp Components - Front (Buick with T4L) -
E4GB Headlamp - Left Low Beam Outer T4L Internal to E13LA Headlamp Assembly - Left Headlamp Components - Front (Buick with T4L) -
E4H Headlamp - Right Low Beam SBM Internal to E13RA Headlamp Assembly - Right Headlamp Components (Buick with SBM) -
E4HA Headlamp - Right Low Beam Inner T4L Internal to E13RA Headlamp Assembly - Right Headlamp Components - Front (Buick with T4L) -
E4HB Headlamp - Right Low Beam Outer T4L Internal to E13RA Headlamp Assembly - Right Headlamp Components - Front (Buick with T4L) -
E4J Park Lamp - Left Front - Internal to E13LA Headlamp Assembly - Left - -
E4K Park Lamp - Right Front - Internal to E13RA Headlamp Assembly - Right - -
E4LF Turn Signal Lamp - Left Front - On the vehicle exterior, on the left front corner - -
E4LR Turn Signal Lamp - Left Rear - At the rear of the vehicle, internal to E42L Tail Lamp Assembly - Left - -
E4RF Turn Signal Lamp - Right Front - On the vehicle exterior, on the right front corner - -
E4RR Turn Signal Lamp - Right Rear - At the rear of the vehicle, internal to E42R Tail Lamp Assembly - Right - -
E5A Backup Lamp - Left - At the rear of the vehicle, internal to E42L Tail Lamp Assembly - Left - -
E5B Backup Lamp - Right - At the rear of the vehicle, internal to E42R Tail Lamp Assembly - Right - -
E5E Tail Lamp - Left - At the rear of the vehicle, internal to E42L Tail Lamp Assembly - Left - -
E5F Tail Lamp - Right - At the rear of the vehicle, internal to E42R Tail Lamp Assembly - Right - -
E5L Stop Lamp - Left - At the rear of the vehicle, internal to E42L Tail Lamp Assembly - Left - -
E5R Stop Lamp - Right - At the rear of the vehicle, internal to E42R Tail Lamp Assembly - Right - -
E6 Center High Mounted Stop Lamp - In the rear of the passenger compartment, at the top of the liftgate glass Rear of Vehicle Components (Buick) E6 Center High Mounted Stop Lamp
E7L License Plate Lamp - Left - Outside of the liftgate, left of center, above the license plate Rear of Vehicle Components (Buick) E7L License Plate Lamp - Left
E7R License Plate Lamp - Right - Outside of the liftgate, right of center, above the license plate Rear of Vehicle Components (Buick) E7R License Plate Lamp - Right
E8S Rear Compartment Courtesy Lamp - In the rear compartment, on the left side Left Side of Passenger Compartment Components (Buick, 2 of 2) E8S Rear Compartment Courtesy Lamp
E13LA Headlamp Assembly - Left - Outside, left front corner of the vehicle Front of Vehicle Components (Buick) -
E13RA Headlamp Assembly - Right - Outside, right front corner of the vehicle Front of Vehicle Components (Buick) -
E14A Seat Heating Element - Driver Back KA1 Inside the driver seat back Driver Seat Components (Buick) E14A Seat Heating Element - Driver Back (KA1)
E14B Seat Heating Element - Driver Cushion KA1 In the passenger compartment, under the driver seat cushion cover Driver Seat Components (Buick)
E14C Seat Heating Element - Passenger Back KA1 Inside the passenger seat cushion Passenger Seat Components (Buick) E14C Seat Heating Element - Passenger Back
E14D Seat Heating Element - Passenger Cushion KA1 In the passenger compartment, under the passenger seat cushion cover Passenger Seat Components (Buick)
E15 Steering Wheel Heater UVD In the passenger compartment, left front, within the steering wheel rim - E15 Steering Wheel Heater (UVD)
E17D Outside Rearview Mirror Glass - Driver UFT Internal to A9A Outside Rearview Mirror - Driver - -
E17P Outside Rearview Mirror Glass - Passenger UFT Internal to A9B Outside Rearview Mirror - Passenger - -
E18 Rear Defogger Grid - In the passenger compartment, on the inside of the liftgate window Rear of Vehicle Components (Buick)
E29LF Fog Lamp - Left Front T3U Outside, left front, lower corner of the vehicle, in the front fascia Front of Vehicle Components (Buick) E29LF Fog Lamp - Left Front
E29RF Fog Lamp - Right Front T3U Outside, right front, lower corner of the vehicle, in the front fascia Front of Vehicle Components (Buick) E29RF Fog Lamp - Right Front
E32 Cigarette Lighter Receptacle - Inside passenger compartment, In center of dash. Below HVAC controls. Front of Instrument Panel Components (Buick) E32 Cigarette Lighter Receptacle
E37A Dome/Reading Lamps - In the passenger compartment, front and center of the headliner, between the sun visors Headliner Components (Buick) E37A Dome/Reading Lamps
E37R Dome/Reading Lamps - Rear - In the passenger compartment, on the rear of headliner Headliner Components (Buick) E37R Dome/Reading Lamps - Rear
E41 Engine Coolant Thermostat Heater - In the engine compartment, towards the right front of the engine, in the water outlet assembly Right Rear Of Engine Components (Buick)
E42L Tail Lamp Assembly - Left - Outside, left rear corner of the vehicle Rear of Vehicle Components (Buick) -
E42R Tail Lamp Assembly - Right - Outside, right rear corner of the vehicle Rear of Vehicle Components (Buick) -
E45 Positive Crankcase Ventilation Heater - On the top of the engine - E45 Positive Crankcase Ventilation Heater (U0D)
E67L Multifunction LED - Left Headlamp T4L Internal to E13LA Headlamp Assembly - Left -
E67R Multifunction LED - Right Headlamp T4L Internal to E13RA Headlamp Assembly - Right -
F101 Passenger Instrument Panel Air Bag - In the passenger compartment, in the instrument panel, in front of the passenger seat Rear of Instrument Panel Components (Buick, 2 of 2) F101 Passenger Instrument Panel Air Bag (AYF)
F105L Roof Rail Air Bag - Left - In the passenger compartment, on the left roof rail, behind the trim panel Left Side of Passenger Compartment Components (Buick, 2 of 2) F105L Roof Rail Air Bag - Left
F105R Roof Rail Air Bag - Right - In the passenger compartment, on the right roof rail, behind the trim panel Right Side of Passenger Compartment Components (Buick) F105R Roof Rail Air Bag - Right
F106D Seat Side Air Bag - Driver - In the passenger compartment, In the Driver Seat Driver Seat Components (Buick) F106D Seat Side Air Bag - Driver
F106LR Seat Side Air Bag - Left Rear - In the passenger compartment, In the Left side of the roof over the Left rear door - F106LR Seat Side Air Bag - Left Rear
F106P Seat Side Air Bag - Passenger - In the passenger compartment, In the Passenger Seat Passenger Seat Components (Buick) F106P Seat Side Air Bag - Passenger
F106RR Seat Side Air Bag - Right Rear - In the passenger compartment, In the Right side of the roof over the right rear door - F106RR Seat Side Air Bag - Right Rear
F107 Steering Wheel Air Bag - In the passenger compartment, on the center of the steering wheel - -
F112D Seat Belt Retractor Pretensioner - Driver - In the passenger compartment, at the base of the driver side B-pillar, part of the driver seat belt retractor F112D Seat Belt Retractor Pretensioner - Driver
F112P Seat Belt Retractor Pretensioner - Passenger - In the passenger compartment, at the base of the passenger side B-pillar, part of the passenger seat belt retractor Right Side of Passenger Compartment Components (Buick) F112P Seat Belt Retractor Pretensioner - Passenger
F113D Seat Belt Anchor Pretensioner - Driver - In the passenger compartment, between the center console and the driver seat, at the base of the driver seat belt buckle Driver Seat Components (Buick) F113D Seat Belt Anchor Pretensioner - Driver
F113P Seat Belt Anchor Pretensioner - Passenger - In the passenger compartment, between the center console and the passenger seat, at the base of the passenger seat belt buckle Passenger Seat Components (Buick) F113P Seat Belt Anchor Pretensioner - Passenger
F114D Knee Air Bag - Driver AYF In the passenger compartment, In passenger area of the dash on the drivers side - F114D Knee Air Bag - Driver
F114P Knee Air Bag - Passenger AYF In the passenger compartment, In the knee area of the dash on the passenger side. - F114P Knee Air Bag - Passenger
G1 A/C Compressor - In the engine compartment - -
G10 Cooling Fan Motor - In the front center of the engine compartment, mounted to the back of the radiator - -
G12 Fuel Pump - Under Vehicle. At rear of vehicle, in fuel tank. - -
G13 Generator - In the engine compartment, on the lower right rear side of the engine Right Rear Of Engine Components (Buick)
G24 Windshield Washer Pump - Outside the left front corner of the vehicle, behind the front fascia, in the bottom of the washer solvent reservoir Front of Engine Compartment Components (Buick) G24 Windshield Washer Pump
G46L Cooling Fan - Left Headlamp T4L Internal to E13LA Headlamp Assembly - Left Headlamp Components - Backside (Buick with T4L) -
G46R Cooling Fan - Right Headlamp T4L Internal to E13RA Headlamp Assembly - Right Headlamp Components - Backside (Buick with T4L) -
K8 Blower Motor Control Module - Mounted to the underside of the right side of the dash, beneath M8 Blower Motor HVAC Components (Buick, 1 of 2)
K9 Body Control Module - In the passenger compartment, behind the left side of the instrument panel
K17 Electronic Brake Control Module - At the rear of the engine compartment, driver's side, to the left of the brake master cylinder Left of Engine Compartment Components (Buick, 1 of 2) K17 Electronic Brake Control Module
K20 Engine Control Module - In the left front of the engine compartment, on the right side of the battery Left of Engine Compartment Components (Buick, 2 of 2)
K29 Seat Heating Control Module KA1 In the passenger compartment, under the front of the driver seat -
K32 Steering Wheel Heating Control Module UVD In the passenger compartment, left front, attached to front steering wheel cover left of center - -
K33 HVAC Control Module - In the passenger compartment, in the center of the instrument panel, under the radio HVAC Components (Buick, 1 of 2)
K35 Ignition Coil Module LUV In the engine compartment, mounted to the top of the engine Left Front of Engine Components (Buick) K35 Ignition Coil Module
K36 Inflatable Restraint Sensing and Diagnostic Module - In the passenger compartment, under the instrument panel, in front of the center console
K38 Chassis Control Module - In the passenger compartment, behind the rear seats. In the right rear corner behind the trim panel - K38 Chassis Control Module
K40 Seat Memory Control Module AAG Inside of the passenger compartment, underneath the driver seat Driver Seat Components (Buick)
K43 Power Steering Control Module - In the passenger compartment, under the instrument panel, part of the steering column, near the base Steering Column Components (Buick)
K47 Rear Differential Clutch Control Module F46 In the rear of the vehicle. Under Vehicle on rear axle Rear Differential Components (Buick)
K56 Serial Data Gateway Module - In the passenger compartment, behind the passenger side of the instrument panel -
K61 Sunroof Control Module CF5 In the passenger compartment, above the headliner, at the front of the sunroof Headliner Components (Buick) K61 Sunroof Control Module
K71 Transmission Control Module - Inside the Automatic Transmission Assembly Automatic Transmission Components (Buick)
K73 Telematics Communication Interface Control Module - In the passenger compartment, behind the instrument panel, in front of the passenger seat Rear of Instrument Panel Components (Buick, 2 of 2)
K74 Human Machine Interface Control Module - In the passenger compartment, in the center of the instrument panel -
K77 Remote Control Door Lock Receiver - In the passenger compartment, underneath the headliner K77 Remote Control Door Lock Receiver
K84 Keyless Entry Control Module - In the passenger compartment, rear of the vehicle -
K85 Passenger Presence Module - In the passenger seat cushion, mounted to the seat frame Passenger Seat Components (Buick) K85 Passenger Presence Module
K89 Immobilizer Control Module - In the passenger compartment, on the right side of the steering column, around the ignition lock cylinder - K89 Immobilizer Control Module (BTM)
K166L Multifunction LED Control Module - Left Headlamp T4L Internal to E13LA Headlamp Assembly - Left - -
K166R Multifunction LED Control Module - Right Headlamp T4L Internal to E13RA Headlamp Assembly - Right - -
K182 Parking Assist Control Module UD5 Inside of the passenger compartment, left rear of vehicle. Right Side of Passenger Compartment Components (Buick)
K188 Human Machine Interface Control Module Bypass Module UVC In the passenger compartment, behind the lower center of the instrument panel -
K189L Headlamp/Cornering Lamp Control Module - Left T4L Internal to E13LA Headlamp Assembly - Left Headlamp Components - Front (Buick with T4L) -
K189R Headlamp/Cornering Lamp Control Module - Right T4L Internal to E13RA Headlamp Assembly - Right Headlamp Components - Front (Buick with T4L) -
M6L Air Temperature Door Actuator - Left CJ2 Behind the dash, mounted to the left side of the HVAC case HVAC Components (Buick, 2 of 2) M6L Air Temperature Door Actuator - Left
M6R Air Temperature Door Actuator - Right CJ2 Behind the dash, mounted to the front center of the HVAC case HVAC Components (Buick, 1 of 2) M6R Air Temperature Door Actuator - Right (CJ2)
M7 Transmission Shift Lock Control Solenoid Actuator - Inside the Transmission Shift lever - -
M8 Blower Motor - In passenger compartment, Behind Dash. On passenger side of vehicle. HVAC Components (Buick, 1 of 2) M8 Blower Motor
M9 Brake Booster Pump Motor - At the rear of the engine compartment, driver's side, below the master cylinder - M9 Brake Booster Pump Motor
M30 Liftgate Latch - Inside the bottom center of the liftgate Liftgate Components (Buick) M30 Liftgate Latch
M37 Mode Door Actuator - Behind the dash, mounted to the top left side of the HVAC case HVAC Components (Buick, 2 of 2) M37 Mode Door Actuator
M45 Rear Wiper Motor - Inside the center of the liftgate, at the bottom of the liftgate glass Liftgate Components (Buick) M45 Rear Wiper Motor
M46 Air Recirculation Door Actuator - Behind the dash, mounted to the far right side of the HVAC case HVAC Components (Buick, 1 of 2) M46 Air Recirculation Door Actuator
M50D Seat Front Vertical Motor - Driver - Inside passenger compartment. In front driver seat Driver Seat Components (Buick) M50D Seat Front Vertical Motor - Driver
M50P Seat Front Vertical Motor - Passenger AQ5 Inside passenger compartment. In front passenger seat Passenger Seat Components (Buick) M50P Seat Front Vertical Motor - Passenger
M51D Seat Horizontal Motor - Driver - Inside passenger compartment. In front driver seat Driver Seat Components (Buick) M51D Seat Horizontal Motor - Driver
M51P Seat Horizontal Motor - Passenger AQ5 Inside passenger compartment. In front passenger seat Passenger Seat Components (Buick) M51P Seat Horizontal Motor - Passenger
M55D Seat Rear Vertical Motor - Driver - Inside passenger compartment. In front driver seat Driver Seat Components (Buick) M55D Seat Rear Vertical Motor - Driver
M55P Seat Rear Vertical Motor - Passenger AQ5 Inside passenger compartment. In front passenger seat Passenger Seat Components (Buick) M55P Seat Rear Vertical Motor - Passenger
M64 Starter Motor - In the engine compartment, on the lower left rear of the engine Right Rear Of Engine Components (Buick)
M74D Window Motor - Driver - Inside driver door. Driver Door Components (Buick without panel) M74D Window Motor - Driver
M74LR Window Motor - Left Rear - Inside the left rear door, below the window Left Rear Door (Buick without panel) M74LR Window Motor - Left Rear
M74P Window Motor - Passenger - Inside passenger door Passenger Door Components (Buick without panel) M74P Window Motor - Passenger
M74RR Window Motor - Right Rear - Inside the right rear door, below the window Right Rear Door (Buick without panel) M74RR Window Motor - Right Rear
M75 Windshield Wiper Motor - In the left rear of the engine compartment, at the base of the windshield, under the air inlet grille Left of Engine Compartment Components (Buick, 1 of 2) M75 Windshield Wiper Motor
M77D Outside Rearview Mirror Motor - Driver - Internal to A9A Outside Rearview Mirror - Driver - -
M77P Outside Rearview Mirror Motor - Passenger - Internal to A9B Outside Rearview Mirror - Passenger - -
P2 Transmission Shift Lever Position Indicator - In the passenger compartment, on the center console, next to the automatic transmission shift lever - P2 Transmission Shift Lever Position Indicator
P12A Horn - High Note - Outside the left front corner of the vehicle, behind the front fascia P12A Horn - High Note
P12B Horn - Low Note - Outside the left front corner of the vehicle, behind the front fascia P12B Horn - Low Note
P14 Passenger Air Bag Disabled Indicator - In the passenger compartment, In center of Dash. Front of Instrument Panel Components (Buick) P14 Passenger Air Bag Disabled Indicator
P16 Instrument Cluster - In the passenger compartment, on the upper part of the instrument panel, in front of the driver seat Front of Instrument Panel Components (Buick) P16 Instrument Cluster
P17 Info Display Module - In the passenger compartment, on the upper part of the instrument panel, in middle of instrument panel Front of Instrument Panel Components (Buick)
P19AC Speaker - Subwoofer - In the passenger compartment, At rear of vehicle. Right rear of trunk. - P19AC Speaker - Subwoofer
P19AG Speaker - Left Front Door - In the passenger compartment, at the lower front of the left front door Driver Door Components (Buick without panel)
P19AH Speaker - Right Front Door - In the passenger compartment, at the lower front of the right front door Passenger Door Components (Buick without panel)
P19AL Speaker - Left Rear Door - In the passenger compartment, at the lower front of the left rear door Left Rear Door (Buick without panel)
P19AM Speaker - Right Rear Door - In the passenger compartment, at the lower front of the right rear door Right Rear Door (Buick without panel)
P19H Speaker - Left Front Tweeter - In the passenger compartment, at the base of the left windshield side garnish molding Headliner Components (Buick) P19H Speaker - Left Front Tweeter
P19V Speaker - Right Front Tweeter - In the passenger compartment, at the base of the right windshield side garnish molding Headliner Components (Buick) P19V Speaker - Right Front Tweeter
P34D Side Object Detection Indicator - Driver UFT Internal to E17D Outside Rearview Mirror Glass - Driver - -
P34P Side Object Detection Indicator - Passenger UFT Internal to E17P Outside Rearview Mirror Glass - Passenger - -
P43 Collision Alert Indicators UEU Inside the passenger compartment, mounted to the extreme front center of the instrument panel, immediately in front of the bottom of the windshield - P43 Collision Alert Indicators
Q2 A/C Compressor Clutch - In the engine compartment, on the lower right front of the engine, part of the A/C compressor Left Front of Engine Components (Buick)
Q5 Brake Pressure Modulator - Part of the Electronic Brake Control Module - -
Q6E Camshaft Position Actuator Solenoid Valve - Exhaust - In the engine compartment, on the upper, right front of the engine Right Rear Of Engine Components (Buick) Q6E Camshaft Position Actuator Solenoid Valve - Exhaust
Q6F Camshaft Position Actuator Solenoid Valve - Intake - In the engine compartment, on the upper, right rear of the engine Right Rear Of Engine Components (Buick) Q6F Camshaft Position Actuator Solenoid Valve - Intake
Q8 Control Solenoid Valve Assembly - In the engine compartment, inside the automatic transmission assembly - -
Q12 Evaporative Emission Purge Solenoid Valve - In the engine compartment, towards the rear of the engine, on top of the intake manifold, near the fuel rail Left Front of Engine Components (Buick) Q12 Evaporative Emission Purge Solenoid Valve
Q17A Fuel Injector 1 - In the engine compartment, top right of the engine, above cylinder 1 Top of Engine Components (Buick) Q17A Fuel Injector 1
Q17B Fuel Injector 2 - In the engine compartment, top center of the engine, above cylinder 2 Top of Engine Components (Buick) Q17B Fuel Injector 2
Q17C Fuel Injector 3 - In the engine compartment, top center of the engine, above cylinder 3 Top of Engine Components (Buick) Q17C Fuel Injector 3
Q17D Fuel Injector 4 - In the engine compartment, top left of the engine, above cylinder 4 Top of Engine Components (Buick) Q17D Fuel Injector 4
Q23 Line Pressure Control Solenoid Valve - Inside Automatic Transmission Assembly - -
Q27B Pressure Control Solenoid Valve 2 - Inside Automatic Transmission Assembly - -
Q27C Pressure Control Solenoid Valve 3 - Inside Automatic Transmission Assembly - -
Q27D Pressure Control Solenoid Valve 4 - Inside Automatic Transmission Assembly - -
Q27E Pressure Control Solenoid Valve 5 - Inside Automatic Transmission Assembly - -
Q32A Shift Solenoid Valve 1 - Inside Automatic Transmission Assembly - -
Q38 Throttle Body - In the engine compartment, on the right rear of the engine, on the intake manifold Left Front of Engine Components (Buick) Q38 Throttle Body
Q39A Torque Converter Clutch Pressure Control Solenoid Valve - Inside Automatic Transmission Assembly - -
Q40 Turbocharger Bypass Solenoid Valve - In the engine compartment on the intake tube coming out to the Turbo Right Rear Of Engine Components (Buick) Q40 Turbocharger Bypass Solenoid Valve
Q42 Turbocharger Wastegate Solenoid Valve - In the engine compartment, at the upper right front of engine Left Front of Engine Components (Buick)
Q49 Rear Differential Clutch Solenoid Valve F46 Under Vehicle, above rear axle - Q49 Rear Differential Clutch Solenoid Valve (F46)
R10 Cooling Fan Resistor - In the passenger compartment, behind the lower left side of the instrument panel, Front of Engine Compartment Components (Buick) R10 Cooling Fan Resistor
S2 Transmission Manual Shift Switch - In the passenger compartment, at the front of the center console. Inside Transmission Shift Lever. - -
S3 Transmission Shift Lever - In the passenger compartment, at the front of the center console - S3 Transmission Shift Lever
S13D Door Lock Switch - Driver - In the passenger compartment, on the driver door. Driver Door Components (Buick with panel) S13D Door Lock Switch - Driver
S13P Door Lock Switch - Passenger - In the passenger compartment, on the passenger door. Passenger Door Components (Buick with panel) S13P Door Lock Switch - Passenger
S25 Garage Door Opener UG1 In the passenger compartment, at the center rear of the overhead console - S25 Garage Door Opener
S26 Hazard Warning Switch - In the passenger compartment, In center of Dash. - S26 Hazard Warning Switch
S30 Headlamp Switch - In the passenger compartment, on the left side of the instrument panel, between the steering column, and the driver door Front of Instrument Panel Components (Buick) S30 Headlamp Switch
S33 Horn Switch - In the passenger compartment, on the center of the steering wheel Steering Wheel Components (Buick)
S38 Ignition Mode Switch - In the passenger compartment, on the right side of the steering column - S38 Ignition Mode Switch
S46B Liftgate Unlatch Switch - Outside the rear of the vehicle, on the center of the liftgate, between the license plate lamps Liftgate Components (Buick) S46B Liftgate Unlatch Switch
S47D Seat Memory Switch - Driver AAG In the passenger compartment, in the driver side seat Driver Seat Components (Buick) S47D Seat Memory Switch - Driver (AAG)
S48A Multifunction Switch - Instrument Panel UD5 In the passenger compartment, left side of the steering column on instrument panel - S48A Multifunction Switch - Instrument Panel
S51 Telematics Button Assembly - In the passenger compartment, In Rear View mirror. - -
S52 Outside Rearview Mirror Switch - In the passenger compartment, on the front of the driver door arm rest, in front of the window switch Driver Door Components (Buick with panel) S52 Outside Rearview Mirror Switch
S64D Seat Adjuster Switch - Driver - In the passenger compartment, On side of the driver seat Driver Seat Components (Buick) S64D Seat Adjuster Switch - Driver (AAG)
S64P Seat Adjuster Switch - Passenger AQ5 In the passenger compartment, On side of the passenger seat Passenger Seat Components (Buick) S64P Seat Adjuster Switch - Passenger
S65D Seat Lumbar Support Switch - Driver - In the passenger compartment, On side of the driver seat Driver Seat Components (Buick) S65D Seat Lumbar Support Switch - Driver
S65P Seat Lumbar Support Switch - Passenger AQ5 In the passenger compartment, On side of the passenger seat Passenger Seat Components (Buick) S65P Seat Lumbar Support Switch - Passenger
S70L Steering Wheel Controls Switch - Left - In the passenger compartment, on the steering wheel, on the left side Steering Wheel Components (Buick) S70L Steering Wheel Controls Switch - Left
S70R Steering Wheel Controls Switch - Right - In the passenger compartment, on the front of the steering wheel, right of center Steering Wheel Components (Buick) S70R Steering Wheel Controls Switch - Right
S72 Sunroof Switch CF5 In the passenger compartment, in the front center of the headliner, in the dome lamp bezel Headliner Components (Buick) S72 Sunroof Switch
S78 Turn Signal/Multifunction Switch - In the passenger compartment, mounted to the left side of the steering column Steering Column Components (Buick) S78 Turn Signal/Multifunction Switch
S79D Window Switch - Driver - In the passenger compartment, on the driver door arm rest Driver Door Components (Buick with panel) S79D Window Switch - Driver
S79LR Window Switch - Left Rear - In the passenger compartment, on the left rear door arm rest Left Rear Door (Buick with panel) S79LR Window Switch - Left Rear
S79P Window Switch - Passenger - In the passenger compartment, on the passenger door arm rest Passenger Door Components (Buick with panel)
S79RR Window Switch - Right Rear - In the passenger compartment, on the right rear door arm rest Right Rear Door (Buick with panel) S79RR Window Switch - Right Rear
S82 Windshield Wiper/Washer Switch - In the passenger compartment, on steering column. On the right side. Steering Column Components (Buick) S82 Windshield Wiper/Washer Switch
S86 Vehicle Stability Control Switch - Towards the middle of the center stack, below the HVAC controls and above the accessory power socket - S86 Vehicle Stability Control Switch
S88 Sunroof Tilt Switch CF5 In the passenger compartment, in the headliner just above the rearview mirror Headliner Components (Buick) S88 Sunroof Tilt Switch
S155 Lane Departure Warning Switch UFL Towards the bottom of the center stack, below the HVAC controls and above the accessory power socket Front of Instrument Panel Components (Buick) S155 Lane Departure Warning Switch
T2RR Antenna - Roof Rear - Outside the vehicle, at the center, rear of the roof - -
T3 Audio Amplifier - Inside passenger compartment. In rear of vehicle. By rear wheel well. -
T4F Cellular Phone Antenna - Outside the vehicle, at the center, rear of the roof - -
T4H Digital Radio Antenna U2K Outside the vehicle, at the center, rear of the roof - -
T4M Radio Antenna - Outside the vehicle, at the center, rear of the roof - -
T4P Navigation Antenna - Outside the vehicle, at the center, rear of the roof - -
T4S Wireless Communication Antenna - Bluetooth - In side of Passenger compartment, part of the Telematics Communication Interface Control Module - -
T6 Power Inverter Module KI6 Inside passenger compartment, rear of vehicle Left Side of Passenger Compartment Components (Buick, 2 of 2) T6 Power Inverter Module
T10 Keyless Entry Antenna - In the passenger compartment, mounted behind the instrument panel, by the radio - T10 Keyless Entry Antenna
T10B Keyless Entry Antenna - Instrument Panel Compartment - In the passenger compartment, mounted behind the instrument panel, by the radio - T10B Keyless Entry Antenna - Instrument Panel Compartment
T10E Keyless Entry Antenna - Rear Compartment - Outside of the vehicle, under the rear bumper cover - T10E Keyless Entry Antenna - Rear Compartment
T10J Keyless Entry Antenna - Center Console Front - In the passenger compartment, mounted in the front of center console - T10J Keyless Entry Antenna - Center Console Front
T10M Keyless Entry Antenna - Driver Door Handle - In the passenger compartment, mounted inside A24D Door Handle Assembly - Driver Door Handle - T10M Keyless Entry Antenna - Driver Door Handle
T10N Keyless Entry Antenna - Passenger Door Handle - In the passenger compartment, mounted inside A24P Door Handle Assembly - Passenger Door Handle - -
T12 Automatic Transmission Assembly - In the engine compartment, mounted to the left side of the engine - -
T15 Navigation Antenna Signal Splitter - Behind the far right hand side of the dash, approximately 1 foot (30.48 cm) behind the dash, immediately to the right of the rear portion of the glove box -
V1 Air Ionizer KEM In the passenger compartment, behind the lower center of the instrument panel - V1 Air Ionizer
X50A Fuse Block - Underhood - In the left front corner of the engine compartment, left of the battery Electrical Center Identification Views (Chevrolet) , and Electrical Center Identification Views (Buick)
X50D Fuse Block - Battery - In the engine compartment, on top of the battery Electrical Center Identification Views (Chevrolet) , and Electrical Center Identification Views (Buick)
X51A Fuse Block - Instrument Panel - In the passenger compartment, under the left side of the instrument panel Rear of Instrument Panel Components (Buick, 1 of 2) Electrical Center Identification Views (Chevrolet) , and Electrical Center Identification Views (Buick)
X53A Fuse Block - Rear Body - In the passenger compartment, In the rear of the vehicle. Left Side of Passenger Compartment Components (Buick, 2 of 2) Electrical Center Identification Views (Chevrolet) , and Electrical Center Identification Views (Buick)
X70A Relay Block - Underhood - In the engine compartment. Near the battery. Forward Lamp Harness Routing (Buick) Electrical Center Identification Views (Chevrolet) , and Electrical Center Identification Views (Buick)
X81 Accessory Power Receptacle - 110V AC KI6 In the passenger compartment, in the center console. Center Console Components (Buick)
X83 Auxiliary Audio Input - In the passenger compartment, on the passenger side of the instrument panel, inside the upper storage compartment, on the left side Front of Instrument Panel Components (Buick)
X84 Data Link Connector - In the passenger compartment, under the driver side of the instrument panel X84 Data Link Connector
X85 Steering Wheel Air Bag Coil - In the passenger compartment, on the steering column, under the steering wheel Steering Column Components (Buick)
X101 Front Fascia Harness to Forward Lamp Harness - In the engine compartment, behind the Front Fascia, near the ambient temperature sensor Front Fascia Harness Routing (Buick with UD5)
X105 Forward Lamp Harness to Body Harness - In the left front of corner of the engine compartment, under the left headlamp assembly X105 Forward Lamp Harness to Body Harness
X110 Forward Lamp Harness to Headlamp Assembly - Left Harness - In the engine compartment, behind the left headlamp assembly Forward Lamp Harness Routing (Buick)
X111 Internal Headlamp Harness to Main Internal Headlamp Harness (T4L) T4L Internal to E13LA Headlamp Assembly - Left - X111 Internal Headlamp Harness to Main Internal Headlamp Harness (T4L)
X112 Engine Harness to Body Harness - In engine compartment Left side of engine X112 Engine Harness to Body Harness
X120 Forward Lamp Harness to Headlamp Assembly - Right Harness - In the engine compartment, behind the right headlamp assembly -
X121 Internal Headlamp Harness to Main Internal Headlamp Harness (T4L) T4L Internal to E13RA Headlamp Assembly - Right - X121 Main Internal Headlamp Harness to Main Internal Headlamp Harness (T4L)
X200 Instrument Panel Harness to Body Harness - In the right front of the passenger compartment, below the instrument panel, behind the passenger kick panel X200 Instrument Panel Harness to Body Harness
X202 Instrument Panel Harness to Body Harness - In the right front of the passenger compartment, below the instrument panel, behind the passenger kick panel X202 Instrument Panel Harness to Body Harness
X204 Instrument Panel Harness to Body Harness - On the far right side of the instrument panel harness, behind the passenger kick panel - X204 Instrument Panel Harness to Body Harness
X205 Instrument Panel Harness to Body Harness - On the far right side of the instrument panel harness, behind the passenger kick panel Instrument Panel Harness Routing - Antenna Inline Connectors (Buick) X205 Instrument Panel Harness to Body Harness
X206 Instrument Panel Harness to Body Harness - On the far right side of the instrument panel harness, behind the passenger kick panel Instrument Panel Harness Routing - Antenna Inline Connectors (Buick) X206 Instrument Panel Harness to Body Harness
X208 Headliner Harness to Body Harness - In the right front of the passenger compartment, below the instrument panel, behind the passenger kick panel X208 Headliner Harness to Body Harness
X209 Headliner Harness to Body Harness - Behind the passenger side of the instrument panel, near the passenger air bag X209 Headliner Harness to Body Harness
X231 Floor Console Harness to Body Harness KI6 In the passenger compartment, between Instrument panel and center console Floor Console Harness Routing (Buick) X231 Floor Console Harness to Body Harness
X295 Floor Console Harness to Body Harness BTM In the passenger compartment, under the center console, by park brake handle - X295 Floor Console Harness to Body Harness
X301 Body Harness to Driver Seat Harness - In the passenger compartment, under the front of the driver seat Body Harness Routing - Center of Passenger Compartment (Buick) X301 Body Harness to Driver Seat Harness
X302 Body Harness to Passenger Seat Harness - In the passenger compartment, under the front of the passenger seat Body Harness Routing - Center of Passenger Compartment (Buick) X302 Body Harness to Passenger Seat Harness
X350 Body Harness to Fuel Tank Harness - Outside of the passenger compartment, behind right rear wheel, forward of the center line of the spindle, under the plastic splash shield. X350 Body Harness to Fuel Tank Harness
X400 Rear Fascia Harness to Body Harness - Inside passenger compartment, at rear of vehicle Near right rear strut tower. X400 Rear Fascia Harness to Body Harness
X401 Rear Fascia Harness to Body Harness (Left) UFT On the outside of the vehicle, behind the rear fascia, mounted to the top left side of the rear bumper bar - X401 Rear Fascia Harness to Body Harness
X409 Body Harness to Chassis Harness F46 In the left rear wheel well X409 Body Harness to Chassis Harness
X410 Body Harness to Tail Lamp - Left Harness - Inside the left rear corner of the rear compartment - X410 Body Harness to Tail Lamp - Left Harness
X420 Body Harness to Tail Lamp - Right Harness - Inside the right rear corner of the rear compartment Body Harness Routing - Right Rear of Passenger Compartment (Buick) X420 Body Harness to Tail Lamp - Right Harness
X500 Driver Door Harness to Body Harness - At the front of the driver door, between the door and the body X500 Driver Door Harness to Body Harness
X600 Passenger Door Harness to Body Harness - At the front of the passenger door, between the door and the body X600 Passenger Door Harness to Body Harness
X700 Left Rear Door Harness to Body Harness - At the front of the left rear door, between the door and the body X700 Left Rear Door Harness to Body Harness
X800 Right Rear Door Harness to Body Harness - At the front of the right rear door, between the door and the body X800 Right Rear Door Harness to Body Harness
X900 Liftgate Harness to Body Harness - In the upper, left rear corner of the luggage compartment X900 Liftgate Harness to Body Harness
X901 Liftgate Harness to Liftgate Jumper Harness - In the liftgate, left of center, behind the liftgate trim X901 Liftgate Harness to Liftgate Jumper Harness
X902 License Lamp Harness to Liftgate Jumper Harness - On the inside of the Liftgate, on the left side X902 License Lamp Harness to Liftgate Jumper Harness
G100 Forward Lamp Harness - In the engine compartment, on the left side, on the frame rail G100 (Buick) -
G101 Forward Lamp Harness - In the engine compartment, on the right side, on the frame rail G101 (Buick) -
G102 Body Harness - In the left side of the engine compartment, on the inner fender well G102 (Buick) -
G103 Engine Harness - In the left front of the engine compartment, below the battery G103 (Buick) -
G104 Engine Harness - In the left front of the engine compartment, below the battery G104 (Buick) -
G105 Battery Negative Cable - Under the hood, underneath the battery G105 and G106 (Buick) -
G106 Engine Block Cable - Adjacent to and directly below the battery and underhood fuse block G105 and G106 (Buick) -
G107 Engine Block Cable (Starter Mount) - In the left front of the engine compartment, below the battery G107 (Buick) -
G200 Instrument Panel Harness C32 In the passenger compartment, behind the instrument panel G200 and G204 (Buick) -
G201 Body Harness - In the left front of the passenger compartment, under the instrument panel, behind the driver kick panel, just above the base of the left A-pillar G201, G203, G303, and G305 (Buick) -
G202 Instrument Panel Harness - In the passenger compartment, behind the instrument panel G202 (Buick) -
G203 Body Harness - In the passenger compartment, behind the instrument panel G201, G203, G303, and G305 (Buick) -
G204 Instrument Panel Harness - In the passenger compartment, under the center console G200 and G204 (Buick) -
G301 Instrument Panel Harness - In the passenger compartment, under the center console, near G300 and G302 G301 and G302 (Buick) -
G302 Instrument Panel Harness - In the passenger compartment, under the center console, near G300 and G301 G301 and G302 (Buick) -
G303 Body Harness - In the left front of the passenger compartment, at the base of the left A-pillar, G201, G203, G303, and G305 (Buick) -
G304 Body Harness - In the right front of the passenger compartment, near the base of the right A-pillar G304 (Buick) -
G305 Body Harness NJ1 In the left front of the passenger compartment, at the base of the left A-pillar, above G303 G201, G203, G303, and G305 (Buick) -
G401 Body Harness - In the right of the luggage compartment, on top of the right rear wheel well G401 (Buick) -
G402 Body Harness - In the right of the luggage compartment, on top of the right rear wheel well G402 (Buick) -
J101 Engine Harness - On top of the engine, adjacent to T8C Ignition Coil 3 and T8D Ignition Coil 4 - -
J104 Headlamp Harness T4L Internal to E13LA Headlamp Assembly - Left - -
J105 Headlamp Harness T4L Internal to E13LA Headlamp Assembly - Left - -
J107 Body Harness - In the passenger compartment, behind the rear seats. In the right rear corner behind the trim panel - -
J108 Headlamp Harness T4L Internal to E13LA Headlamp Assembly - Left - -
J109 Headlamp Harness T4L Internal to E13LA Headlamp Assembly - Left - -
J110 Headlamp Harness T4L Internal to E13RA Headlamp Assembly - Right - -
J111 Headlamp Harness T4L Internal to E13RA Headlamp Assembly - Right - -
J112 Headlamp Harness T4L Internal to E13RA Headlamp Assembly - Right - -
J114 Body Harness - In the left rear of the engine compartment, approximately 14.5 cm (5.71 in) left of the breakout to the brake fluid level switch - -
J115 Forward Lamp Harness - Below the headlamp assemblies - -
J117 Engine Harness - On the top left rear of the engine, slightly left of the intake manifold - -
J118 Engine Harness - On the rear left side of the engine, approximately 4.5 cm (1.77 in) into the breakout leading to the engine control module connectors Engine Harness Routing (Buick) -
J119 Headlamp Harness T4L Internal to E13LA Headlamp Assembly - Left - -
J120 Headlamp Harness T4L Internal to E13RA Headlamp Assembly - Right - -
J125 Forward Lamp Harness - Left front corner of Vehicle. Behind Left Headlamp Forward Lamp Harness Routing (Buick) -
J130 Engine Harness - In the engine compartment, adjacent to X70A Relay Block - Underhood Forward Lamp Harness Routing (Buick) -
J137 Engine Harness - Left front fender. Under brake booster. Engine Harness Routing (Buick) -
J138 Forward Lamp Harness - Left front corner of Vehicle. Behind Left Headlamp. By X100 Forward Lamp Harness Routing (Buick) -
J140 Body Harness - In the left rear of the engine compartment, approximately 4.5 cm (1.77 in) left of J114 - -
J142 Body Harness - In the left side of the engine compartment, Under brake booster Body Harness Routing - Left Front of Passenger Compartment (Buick) -
J165 Engine Harness - At the left front of the vehicle, below E13LA Headlamp Assembly - Left Front Fascia Harness Routing (Buick with UD5) -
J166 Engine Harness - At the left front of the vehicle, below E13LA Headlamp Assembly - Left Front Fascia Harness Routing (Buick with UD5) -
J183 Headlamp Harness - Internal to the E13LA Headlamp Assembly - Left - -
J184 Headlamp Harness - Internal to the E13LA Headlamp Assembly - Left - -
J185 Headlamp Harness - Internal to the E13RA Headlamp Assembly - Right - -
J186 Headlamp Harness - Internal to the E13RA Headlamp Assembly - Right - -
J201 Instrument Panel Harness - On left side of passenger compartment under dash. Under kick panel Instrument Panel Harness Routing - Overview (Buick) -
J202 Instrument Panel Harness - On left side of passenger compartment under dash, underneath the kick panel Instrument Panel Harness Routing - Overview (Buick) -
J203 Instrument Panel Harness - Behind the dash on the far left side, in-between K9 Body Control Module and X200 Body Harness To Instrument Panel Harness (Left) Instrument Panel Harness Routing - Overview (Buick) -
J204 Body Harness - Inside the passenger compartment, below and to the right of the front passenger seat - -
J207 Instrument Panel Harness - On left side of passenger compartment under dash, underneath the kick panel Instrument Panel Harness Routing - Overview (Buick) -
J208 Instrument Panel Harness - In center of passenger compartment Near K33 HVAC - -
J209 Instrument Panel Harness - On left side of passenger compartment under dash, underneath the kick panel - -
J210 Instrument Panel Harness UVC In center of instrument cluster, approximately 22.5 cm (9 in) from the K188 Human Machine Interface Control Module Bypass Module X1 - -
J213 Instrument Panel Harness - In center of passenger compartment, adjacent to K33 HVAC Control Module Instrument Panel Harness Routing - Overview (Buick) -
J214 Instrument Panel Harness - In center of passenger compartment Near K33 HVAC Instrument Panel Harness Routing - Overview (Buick) -
J215 Instrument Panel Harness - In center of passenger compartment Near K33 HVAC Instrument Panel Harness Routing - Overview (Buick) -
J216 Instrument Panel Harness - On left side of passenger compartment under dash. Instrument Panel Harness Routing - Overview (Buick) -
J220 Instrument Panel Harness - In the passenger compartment, behind the left side of the instrument panel - -
J221 Steering Wheel Harness - In the passenger compartment, on the steering column, under the steering wheel - -
J225 Body Harness - On the left side of the instrument panel, under kick panel -
J226 Body Harness - On the left side of the instrument panel, approximately 10.5 cm (4.13 cm) below the breakout to the X114 - -
J227 Instrument Panel Harness - In center of passenger compartment behind dash. Close to A5 Driver Information Center Instrument Panel Harness Routing - Overview (Buick) -
J229 Instrument Panel Harness - Behind the left center of the dash Instrument Panel Harness Routing - Overview (Buick) -
J230 Body Harness - On the left side of the instrument panel, under kick panel Body Harness Routing - Left Front of Passenger Compartment (Buick) -
J231 Body Harness - On the right side of the passenger compartment Under kick panel Close to brake out for G304 Body Harness Routing - Right Front of Passenger Compartment (Buick) -
J232 Body Harness - On the right side of the passenger compartment Under kick panel Close to brake out for G304 Body Harness Routing - Right Front of Passenger Compartment (Buick) -
J233 Body Harness - On the right side of the passenger compartment Under kick panel Body Harness Routing - Left Front of Passenger Compartment (Buick) -
J235 Body Harness - In the passenger compartment, behind the instrument panel - -
J255 Instrument Panel Harness - On Right side of passenger compartment under dash. - -
J256 Instrument Panel Harness - Behind the dash, immediately behind the audio/HVAC controls center stack - -
J257 Instrument Panel Harness - Behind the dash, immediately behind the audio/HVAC controls center stack - -
J259 Instrument Panel Harness - In the passenger compartment, behind the left side of the instrument panel - -
J262 Instrument Panel Harness - Behind the center stack, in the center of the Instrument Panel Harness center channel Instrument Panel Harness Routing - Overview (Buick) -
J267 Instrument Panel Harness - Immediately behind K73 Telematics Communication Interface Control Module - -
J272 HVAC Harness - Behind the dash, on the HVAC harness - -
J278 Instrument Panel Harness - In the passenger compartment, by K56 Serial Data Gateway Module - -
J279 Steering Wheel Harness - In the passenger compartment, on the steering column, under the steering wheel - -
J280 Steering Wheel Harness - In-between X85 Steering Wheel Air Bag Coil, K32 Steering Wheel Heating Control Module, and E15 Steering Wheel Heater - -
J288 Instrument Panel Harness - Behind the center stack, in the center of the Instrument Panel Harness center channel - -
J290 Instrument Panel Harness - Behind the dash, slightly up and to the right of A11 Radio - -
J291 Body Harness - Behind the front passenger kick panel - -
J292 HVAC Harness - Behind the dash, on the HVAC harness - -
J301 Instrument Panel Harness UVC In center of instrument cluster, approximately 26.5 cm (10.5 in) from the K188 Human Machine Interface Control Module Bypass Module X1 - -
J313 Body Harness - In the passenger compartment, On left side in the rear behind C pillar panel Body Harness Routing - Left Rear of Passenger Compartment (Buick) -
J314 Body Harness - On the left side of the passenger compartment, Under left front seat Body Harness Routing - Right Front of Passenger Compartment (Buick) -
J317 Body Harness - Inside the passenger compartment, below and to the right of the front passenger seat Body Harness Routing - Center of Passenger Compartment (Buick) -
J318 Body Harness - In passenger compartment, by X202 - -
J324 Passenger Seat Harness - In between B60 Passenger Presence Sensor and B153P Seat Belt Buckle - Passenger - -
J325 Headliner Harness - Behind the headliner, towards the right front Headliner Harness Routing (Buick) -
J326 Body Harness - In the passenger compartment, under the left front seat. Body Harness Routing - Left Front of Passenger Compartment (Buick) -
J327 Body Harness - In the passenger compartment, under the left front seat Headliner Harness Routing (Buick) -
J328 Body Harness - In the passenger compartment, under the Left seat Body Harness Routing - Center of Passenger Compartment (Buick) -
J329 Body Harness - In the passenger compartment, Under right front seat Body Harness Routing - Center of Passenger Compartment (Buick) -
J330 Body Harness - Immediately below and to the right of K9 Body Control Module -
J331 Body Harness - Immediately below and to the right of K9 Body Control Module Body Harness Routing - Left Front of Passenger Compartment (Buick) -
J334 Body Harness - In the passenger compartment, under the front of the driver seat - -
J336 Body Harness - At the left rear of the vehicle, just in front of the left rear tail lamp assembly - -
J339 Headliner Harness - On the left side of the passenger compartment, Behind Dash on A piller Headliner Harness Routing (Buick) -
J346 Body Harness - On the left side of the passenger compartment, in rear of vehicle close to the left rear strut tower - -
J347 Body Harness - Inside the passenger compartment, just beneath the right front door Body Harness Routing - Right Front of Passenger Compartment (Buick) -
J348 Headliner Harness - Behind the headliner, towards the left front Headliner Harness Routing (Buick) -
J349 Driver Seat Harness - Below the driver seat, adjacent to S64D Seat Adjuster Switch - Driver and S65D Seat Lumbar Support Switch - Driver - -
J353 Headliner Harness - On the left side of the passenger compartment, in the rear of the vehicle - -
J355 Headliner Harness - On the left side of the passenger compartment, Near breakout for X200. Headliner Harness Routing (Buick) -
J362 Headliner Harness - On the left side of the passenger compartment, In rear of vehicle Headliner Harness Routing (Buick) -
J363 Body Harness - Inside the passenger compartment, on the floor directly below the left B-pillar - -
J380 Driver Seat Harness - In the passenger compartment, under the front of the driver seat - -
J381 Passenger Seat Harness - Underneath the passenger seat, adjacent to S64P Seat Adjuster Switch - Passenger and S65P Seat Lumbar Support Switch - Passenger - -
J387 Body Harness - At the right rear of the vehicle, just in front of E42R Tail Lamp Assembly - Right Body Harness Routing - Right Rear of Passenger Compartment (Buick) -
J397 Body Harness - Inside of the passenger compartment, left rear of vehicle. - -
J398 Headliner Harness - On the left side of the passenger compartment, Near breakout for X209. - -
J400 Rear Fascia Harness - On the left side of the passenger compartment, In rear of vehicle. Rear Fascia Harness Routing (Buick) -
J401 Rear Fascia Harness - On the left side of the passenger compartment, In rear of vehicle. Rear Fascia Harness Routing (Buick) -
J402 Left Tail Lamp Assembly Harness - Inside left taillamp assembly - -
J403 Right Tail Lamp Assembly Harness - Inside right taillamp assembly - -
J405 Body Harness - On the left side of the passenger compartment, In rear of vehicle top of c piller Body Harness Routing - Left Rear of Passenger Compartment (Buick) -
J407 Fuel Tank Harness - On the outside of the vehicle, just above the right side of the fuel tank - -
J408 Left Tail Lamp Harness - Internal to E42L Tail Lamp Assembly - Left - -
J409 Right Tail Lamp Assembly Harness - Internal to E42R Tail Lamp Assembly - Right - -
J410 Left Tail Lamp Assembly Harness - Internal to E42L Tail Lamp Assembly - Left - -
J411 Right Tail Lamp Assembly Harness - On the left side of the passenger compartment, In rear of vehicle close to the top of c piller - -
J412 Body Harness - On the left side of the passenger compartment, In rear of vehicle close to the top of c piller - -
J413 Fuel Tank Harness - On the outside of the vehicle, in the right rear wheel well - -
J414 Forward Lamp Harness T3U Left front corner of vehicle, behind E13LA Headlamp Assembly - Left - -
J415 Rear Fascia Harness - Mounted on the inside of the rear fascia, approximately 5" left of X401 - -
J417 Rear Fascia Harness - Mounted on the inside of the rear fascia, approximately 1" from X401 - -
J421 All Wheel Drive Harness F46 On the left side of the passenger compartment, In rear of vehicle. Rear Differential Harness Routing (Buick) -
J422 All Wheel Drive Harness F46 On the left side of the passenger compartment, In rear of vehicle. Rear Differential Harness Routing (Buick) -
J423 All Wheel Drive Harness F46 On the left side of the passenger compartment, In rear of vehicle. Rear Differential Harness Routing (Buick) -
J424 All Wheel Drive Harness F46 On the left side of the passenger compartment, In rear of vehicle. Rear Differential Harness Routing (Buick) -
J432 Body Harness - On the right side of the passenger compartment, Back by the X50A Fuse block. - -
J474 Body Harness - On the top front portion of the left rear wheel well, slightly behind the rear of the left rear door opening, slightly in front of the connector to F106LR Seat Side Air Bag - Left Rear Body Harness Routing - Left Rear of Passenger Compartment (Buick) -
J490 Body Harness - Towards the left rear of the vehicle, above X53A Fuse Block - Rear Body, behind the C-pillar trim panel - -
J503 Driver Door Harness - Behind the driver door trim panel after breakout for outside mirror. - -
J504 Driver Door Harness - Behind the driver door trim panel after breakout for outside mirror. - -
J505 Driver Door Harness - Behind the driver door trim panel, after the breakout for A9A Outside Rearview Mirror - Driver Driver Door Harness Routing (Buick) -
J506 Driver Door Harness - Behind the driver door trim panel, after the breakout for A9A Outside Rearview Mirror - Driver Driver Door Harness Routing (Buick) -
J507 Driver Door Harness - Behind the driver door trim panel after breakout for outside mirror. Driver Door Harness Routing (Buick) -
J605 Passenger Door Harness - Behind the passenger door trim panel after breakout for outside mirror. Passenger Door Harness Routing (Buick) -
J606 Passenger Door Harness - Behind the passenger door trim panel after breakout for outside mirror. - -
J702 Left Rear Door Harness - Behind the left rear door trim panel, approximately 8 cm into the breakout to S79LR Window Switch - Left Rear Left Rear Door Harness Routing (Buick) -
J802 Right Rear Door Harness - Behind the right rear door trim panel, approximately 8 cm into the breakout to S79RR Window Switch - Right Rear - -
J900 Liftgate Harness - Inside the liftgate, approximately 4 cm (1.57 in) left of the breakout to X901 Liftgate Harness Routing (Buick) -
J901 Liftgate Extension Harness - Inside the liftgate, approximately 23 cm (9.06 in) from the branch for the rear wiper motor connector Liftgate Extension Harness Routing (Buick) -
J902 License Lamp Harness - On the outside of the liftgate, under the license lamp trim cover, approximately 24 cm (9.45 in) from the right license plate lamp License Lamp Harness Routing (Buick) -
J903 License Lamp Harness - On the outside of the liftgate, under the license lamp trim cover, approximately 29 cm (11.4 in) from the right license plate lamp License Lamp Harness Routing (Buick) -
J905 Liftgate Extension Harness - Inside the liftgate, approximately 5.5 cm (2.17 in) from the branch to the liftgate latch connector Liftgate Extension Harness Routing (Buick) -
J990 Liftgate Harness - In the passenger compartment, above the liftgate opening trim, approximately 15 cm (5.91 in) from the X900 in-line connector - -
J991 Liftgate Harness - Inside the liftgate, approximately 15 cm (5.91 in) from the X901 in-line connector - -
J992 Liftgate Extension Harness UVC Inside the liftgate, approximately 23 cm (9.06 in) from the X901 in-line connector - -
J993 Liftgate Extension Harness UVC Inside the liftgate, approximately 13.5 cm (5.31 in) from the X902 in-line connector - -
J994 License Lamp Harness UVC On the inside of the liftgate, approximately 5 cm (1.97 in) from the X902 in-line connector - -
J995 License Lamp Harness UVC On the outside of the liftgate, under the license lamp trim cover, approximately 5 cm (1.97 in) from the branch for the rearview camera connector - -
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