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Harness Routing Views

Fig 1: Component View - Forward Lamps Harness Routing
GM882406Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Marker Lamp Connector - LF
2 G100
3 Headlamp - Low Beam Connector - Left (Composite)
4 Headlamp - High Beam Connector - Left (Composite)
5 S110
6 S118
7 Park/Turn Signal Lamp Connector - RF
8 Marker Lamp Connector - RF
9 G101
10 Headlamp - Low Beam Connector - Right (Composite)
11 Headlamp - High Beam Connector - Right (Composite)
12 Park/Turn Signal Lamp Connector - LF
13 Fuse Block Underhood - C4
Fig 2: Engine Harness - Left Side Of Engine (4.3L) Routing
GM882655Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 S101
2 A/C Compressor Clutch Connector (C60)
3 Throttle Position (TP) Sensor Connector
4 Idle Air Control (IAC) Valve Connector
5 A/C High Pressure Switch Connector (C60)
Fig 3: Engine Harness - Right Side Of Engine (4.3L) Routing
GM882666Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Central Sequential Fuel Injection (Central SFI) Connector
2 Manifold Air Pressure (MAP) Sensor Connector
3 Ignition Control Module (ICM) Connector
4 Generator Connector
5 S102
6 Ignition Coil Connector
7 Evaporative Emission (EVAP) Canister Purse Solenoid Connector
Fig 4: Engine Harness - Rear Of Engine Compartment (4.3L) Routing
GM882671Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 S101
2 C109
3 Powertrain Control Module (PCM) C1, C2
4 Fuse Block Underhood - C6
5 Fuse Block Underhood - C1
6 Horn Assembly Connector
7 C100
8 C101
9 A/C Compressor Clutch Connector (C60)
Fig 5: Engine Harness - Rear Of Engine (4.3L/5.3L) Routing
GM882683Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Vehicle Speed Sensor (VSS) Connector
2 C175
Fig 6: Engine Harness - Left Side Of Engine (4.8L/5.3L/6.0L) Routing
GM882686Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Injector 1 Connector
2 Fuel Injector 3 Connector
3 Fuel Injector 5 Connector
4 S101
5 C103
6 S102
7 Fuel Injector 7 Connector
8 Ignition Coil/Module 7 Connector
9 Ignition Coil/Module 5 Connector
10 C126
11 Ignition Coil/Module 3 Connector
12 Engine Coolant Temperature (ECT) Sensor Connector
13 Ignition Coil/Module 1 Connector
Fig 7: Engine Harness - Right Side Of Engine (4.8L/5.3L/6.0L) Routing
GM1226716Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Injector 8 Connector
2 Fuel Injector 6 Connector
3 Fuel Injector 4 Connector
4 Fuel Injector 2 Connector
5 Ignition Coil/Module 2 Connector
6 Ignition Coil/Module 4 Connector
7 Ignition Coil/Module 6 Connector
8 C127
9 Ignition Coil/Module 8 Connector
Fig 8: Engine Harness - Top Of Engine (4.8L/5.3L/6.0L) Routing
GM882693Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Manifold Absolute Pressure (MAP) Sensor Connector
2 S102
3 S101
4 C103
5 Evaporative Emission (EVAP) Canister Purge Solenoid Valve
6 Throttle Body
Fig 9: Engine Harness - Rear Of Engine Compartment (4.8L/5.3L/6.0L) Routing
GM882706Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C109
2 Powertrain Control Module (PCM) C1, C2
3 Fuse Block Underhood - C6
4 Horn Assembly Connector
5 Fuse Block Underhood - C1
6 C100
7 C101
8 Brake Fluid Level Switch Connector (Heavy Duty)
Fig 10: Engine Harness - Rear Of Engine (4.8L/6.0L) Routing
GM1226719Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector
2 Automatic Transmission Input Speed (A/T ISS) Sensor Connector
3 Vehicle Speed Sensor (VSS) Connector
4 C175
5 Park/Neutral Position (PNP) Switch Connector
Fig 11: Engine Harness - Top of the Engine (LLY)
GM1605421Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C112
2 Fuel Rail Pressure (FRP) Sensor
3 Turbocharger Vane Position Control Solenoid Valve
4 Turbocharger Vane Position Sensor
5 Glow Plug Control Module (GPCM)
6 Fuel Rail Temperature (FRT) Sensor
7 Intake Air Temperature (IAT) Sensor 2
8 C111
9 C110
10 C107
11 Fuel Pressure Regulator
12 Engine Coolant Temperature (ECT) Sensor
13 Intake Air Heater (IAH) Module
14 Manifold Absolute Pressure (MAP) Sensor
15 C108
16 Exhaust Gas Recirculation (EGR) Valve
Fig 12: Engine Harness - Left Side of the Engine (LLY)
GM1650992Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Horn Assembly Connector
2 C100
3 C101
4 Fuse Block - Underhood C6
5 Fuse Block - Underhood C1
6 Engine Control Module (ECM) - C2
7 Engine Control Module (ECM) - C1
8 C108
9 C105
10 G108
11 G104
12 S103
13 C109
14 C107
15 S102
16 G107
17 G102
18 G103
19 S101
Fig 13: C115
GM1843655Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C115
2 Engine - LMM
Fig 14: Engine Harness - Oxygen Sensors (4.8L/6.0L) Routing
GM882716Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C128 (Cutaway)
2 Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector
3 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 Connector
4 Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Connector
5 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector
Fig 15: Power Brake (PB) Booster Fluid Alarm Switches Harness Routing (UJ1)
GM883605Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Power Brake (PB) Booster Fluid Pressure Alarm Switch Connector
2 C141
3 Power Brake (PB) Booster Fluid Flow Alarm Switch - C1, C2
Fig 16: I/P Harness Routing - Front Of Engine Compartment
GM883607Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C100
2 C104
3 Inflatable Restraint Front End Sensor Connector
4 Radiator Support
Fig 17: I/P Harness Routing - Left Side Of Passenger Compartment
GM883611Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Park Brake Switch
2 Park Brake Switch Connector
3 C220
4 C311
5 C318
Fig 18: I/P Harness Routing - Lower Left Side of the Passenger Compartment
GM1658441Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C318
2 G301
3 G302
4 G303
5 C311
6 C222 (YF7)
7 SP200
8 SP250 (Diesel)
9 Seat Belt Pretentioner Connector - LF (Light Duty)
10 C300 (Light Duty)
11 Fuse Block Body - C5 (YF7)
12 Fuse Block Body - C3
13 Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector
Fig 19: Component View Of I/P Harness Routing - Left Side Of I/P
GM883616Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C221
2 Data Link Connector (DLC)
3 Stop Lamp Switch Connector
Fig 20: I/P Harness Routing - Center of the I/P
GM1658434Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 HVAC Control Assembly Connectors
2 S246 (DE7)
3 S245 (DE7)
4 Instrument Panel Cluster (IPC) Connector
5 Remote Control Door Lock Receiver (RCDLR) Connector (AU0)
6 S248
7 C200
8 Turn Signal/Hazard Flasher Module Connector
9 Cigar Lighter (DT4)/Auxiliary Power Outlet 1 (w/o DT4) Connector
10 Tow/Haul Switch Connector
11 S206 (Diesel)
12 Antenna Connector
13 Radio Connector
Fig 21: I/P Harness Routing - Right Side Of I/P
GM883634Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Auxiliary Power Outlet 2 Connector
2 Inflatable Restraint I/P Module Connector
3 S249
4 S250
5 Body Control Module (BCM) - C1, C2, C3, C4, C5
6 Air Temperature Actuator Connector
Fig 22: I/P Harness Routing - Right Side of the Passenger Compartment
GM1658437Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C225 (DF5)
2 G304
3 C312
Fig 23: Steering Column
GM1443929Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Hazard Switch
2 Inflatable Restraint Steering Wheel Module Coil - C2 (Light Duty)
3 Inflatable Restraint Steering Wheel Module Coil - C1
4 Turn Signal/Multifunction Switch
5 C200
6 C275
Fig 24: Driver Seat
GM1609204Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Seat Belt Buckle Driver - C1 (Light Duty)
2 Seat Belt Buckle Driver - C2 (Light Duty)
3 Seat Adjuster Switch - Driver (AG1)
4 S304 (AG1)
5 C307
6 Seat Motors - Driver (AG1)
7 Inflatable Restraint Seat Position Sensor (SPS) - Left (Light Duty)
8 Seat Belt Buckle Connector - Driver (Heavy Duty)
Fig 25: Passenger Seat
GM1609206Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Seat Adjuster Switch - Passenger (AG2)
2 S317 (Light Duty w/AG2)
3 C306
4 Inflatable Restraint Passenger Presence System (PPS) Sensor (Light Duty w/o YF7)
5 Inflatable Restraint Passenger Presence System (PPS) Module (Light Duty w/o YF7)
6 Seat Belt Buckle Passenger - C2 (Light Duty)
7 Seat Belt Buckle Passenger - C1 (Light Duty)
8 Inflatable Restraint Seat Position Sensor (SPS) - Right (Light Duty)
9 Seat Motors - Passenger (AG2)
Fig 26: Front Headliner Harness Routing
GM883638Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C304 (w/o YF7)
2 C420 (C69/Rear Auxiliary Controls w/o YF7)
3 S332 (Passenger)
4 S314
5 Left B-Pillar
Fig 27: HVAC Controls Harness Routing
GM883639Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 HVAC Control Assembly Connector - Rear Auxiliary (C69)
2 HVAC Control Processor Connector - Auxiliary (C69)
3 HVAC Control Assembly Connector - Front Auxiliary (C69)
4 S355 (Rear Auxiliary Controls w/YF7)
5 S307 (Rear Auxiliary Controls w/YF7)
6 S354 (Rear Auxiliary Controls w/YF7)
7 S305 (Rear Auxiliary Controls w/YF7)
8 S306 (Rear Auxiliary Controls w/YF7)
9 S314
10 C303 (Rear Auxiliary Controls w/YF7/C69)
11 Left B-Pillar
12 C203 (YF7/DH6)
Fig 28: Component View - Chassis Harness Routing (Passenger/Cargo)
GM1371219Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuse Block Underhood - C3
2 Fuse Block Underhood - C7
3 Fuse Block Underhood - C8 (UY7)
4 Wheel Speed Sensor (WSS) Connector - RF
5 Brake Pressure Differential Switch Connector (Light Duty)
6 Evaporative Emission (EVAP) Canister Vent Solenoid Connector (Gas)
7 S301
8 Electronic Brake Control Module (EBCM) Connector (JL4)/Electronic Brake Control Module (EBCM) - C2 (w/o JL4)
9 Electronic Brake Control Module (EBCM) - C1 (w/o JL4)
10 Trailer Right Stop/Turn Relay (UY7)
11 Trailer Left Stop/Turn Relay (UY7)
12 S315 (JL4)
13 G300
14 Wheel Speed Sensor (WSS) Connector - LF
15 C101
Fig 29: Chassis/Transmission Harness - Center Frame (6.6L)
GM1650994Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Transmission
2 C175
3 C316
4 S316
5 Fuel Pump Assembly
6 C305 (K08)
7 Coolant Heater - Fuel Pump (K08)
8 C174
9 Park/Neutral Position (PNP) Switch
10 C314 (K08) or Coolant Heater - C2 (w/o K08)
11 Trailer Stop/Turn Relay - Right (UY7)
12 Trailer Stop/Turn Relay - Left (UY7)
13 G300
Fig 30: Inner Center Frame Routing (Cutaway)
GM884971Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Tank Pressure (FTP) Sensor Connector
2 Fuel Pump and Sender Assembly Connector
3 S301
4 Evaporative Emission (EVAP) Canister Vent Solenoid Connector
5 Electronic Brake Control Module (EBCM) - C2
6 Electronic Brake Control Module (EBCM) - C1
Fig 31: Rear Frame
GM1650995Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C406 (T79)
2 S402
3 G400
4 S903 (T79)
5 C405 (Cutaway)
6 S904 (T79)
Fig 32: Rear Frame Routing (JL4)
GM1371351Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C413
2 C414
Fig 33: Component View - Driver Door Harness Routing
GM884975Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Outside Rearview Mirror Connector - Driver (DE5/DE7)
2 Window Switch Connector - Driver (A31)
3 Outside Rearview Mirror Switch Connector (DE5/DE7)
4 Window Motor Connector - Driver (A31)
5 Door Lock Switch Connector - Driver (AU3)
6 C311
7 Speaker Connector - LF Door
8 S500 (AU3)
9 S502 (DE5/DE7)
Fig 34: Component View - Passenger Door Harness Routing
GM884978Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Window Motor Connector - Front Passenger (A31)
2 Window Switch Connector - Front Passenger (A31)
3 Outside Rearview Mirror Connector - Passenger (DE5/DE7)
4 S600 (AU3)
5 Speaker Connector - RF Door
6 C312
7 Door Lock Switch Connector - Front Passenger (AU3)
Fig 35: Body Harness Routing - Left Front of the Passenger Compartment
GM885001Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 S313 (Light Duty)
2 C307
3 C319 (C36/ENC)
4 C318
5 C311
6 Fuse Block Body - C4 (YF7)
7 C300 (Light Duty)
Fig 36: Component View - Body Harness Routing - Left B-Pillar (Passenger/Cargo)
GM885006Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Body Harness Cover
2 S311 (w/o YF7)
3 S310 (w/o YF7)
4 S308 (w/o YF7)
5 C304 (w/o YF7)
6 C203 (YF7/DH6)
7 C303 (YF7/C69 w/Rear Auxiliary Controls)
8 Door Contact Plate Connector - Left Side (E26/AU3)
9 C407 (ENC)
10 C409 (ENC)
11 Fuse Block Body - C2
12 S310 (YF7)
13 S308 (YF7)
14 S311 (YF7)
15 Body Harness
16 Body Harness
17 Lower B-Pillar
18 Door Jamb Switch Connector - LR Side (E26)
19 SP347
20 G347
Fig 37: Component View - Body Harness Routing - Right B-Pillar
GM901419Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C312
2 Seat Belt Pretensioner Connector - RF (Light Duty)
3 C306
4 Door Contact Plate Connector - Right Side (Passenger/Cargo w/AU3)
5 Door Jamb Switch Connector - RR Side (Passenger/Cargo)
Fig 38: Body Harness Routing - Left Rear Of Passenger Compartment (YF7)
GM885008Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C321
2 C320
Fig 39: Body Harness Routing - Rear Of Passenger Compartment (Passenger/Cargo)
GM885009Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 G401
2 S451
3 C415
4 C419
5 S450
6 S401
7 S404
8 G402
9 C401
10 C411
11 C407 - 135 Wheel Base (C36/C69)
12 C409 - 135 Wheel Base (C36/C69)
13 C400
14 C412
15 C402
16 S403 (w/o YF7)
Fig 40: Component View - Pro Harness & Components (PRP)
GM1226742Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Dome Fluorescent Work Lamp - LR (UF2)
2 Dome Fluorescent Work Lamp - LF (UF2)
3 S350 (UF2)
4 S348 (UF2)
5 Dome Fluorescent Work Lamp - 2 (UF2)
6 Dome Fluorescent Work Lamp - 1 (UF2)
7 Dome Fluorescent Work Lamp - RH (UF2)
8 Access Panel Actuator - Right Side Front
9 Access Panel Actuator - Right Side Rear
10 S409
11 Access/Pro Wiring Harness
12 Body Control Module (BCM)
13 Fuse Block - Body
14 S302 (UF2)
15 S303
16 Dome Fluorescent Work Lamps Relay (UF2)
17 Fuse Block - Rear
18 S309
19 S300
20 S408
21 G403
22 Access Panel Actuator - Left Rear Side Rear
23 Access Panel Actuator - Left Rear Side Front
24 Access Panel Actuator - Left Front Side Rear
25 Access Panel Actuator - Left Front Side Front
Fig 41: Auxiliary Heater & A/C Harness Routing - Front (C36/C69)
GM885010Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Blower Motor Resistor Assembly Connector - Auxiliary
2 C409
3 C407
4 Blower Motor Connector - Auxiliary
5 Air Temperature Actuator Connector - Auxiliary (C69)
6 S413
Fig 42: Auxiliary Heater & A/C Harness Routing - Rear (C36/C69)
GM885012Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Blower Motor Connector - Auxiliary
2 Medium Speed Blower Motor Relay - Auxiliary
3 C407
4 C409
5 Low Speed Blower Motor Relay Connector - Auxiliary
6 S412
7 S405
8 S411 (C69)
9 High Speed Blower Motor Relay Connector - Auxiliary
10 Mode Actuator Connector - Auxiliary (C69)
Fig 43: Rear Dome Lamp Harness Routing (Cargo)
GM885013Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C417
2 Dome Lamp - Rear
Fig 44: Left Rear Cargo Door Harness Routing (Passenger/Cargo)
GM1639648Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C901 (C49 w/A12)
2 Rear Window Defogger Grid - Left (C49)
3 C411
4 Speaker Connector - LR Door (UB1/UC6)
Fig 45: Right Rear Cargo Door Harness Routing (Passenger/Cargo)
GM1639649Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C902 (C49 w/A12)
2 Rear Window Defogger Grid - Right (C49)
3 Door Latch Assembly - Cargo
4 Door Lock Switch Connector - Rear Cargo (AU3)
5 License Lamp Connector
6 S902
7 Speaker Connector - RR Door (UB1/UC6)
8 C412
9 C400
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