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Harness Routing Views

Fig 1: Forward Lamp Harness Routing
GM1331500Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Horn Assembly
2 Fuse Block - Underhood C1
3 C108 (Forward Lamp Harness to Front Turn Signal Harness)
4 Headlamp - LH (w/o TT5)
5 Headlamp - Low Beam - Left (TT5)
6 Headlamp - High Beam - Left (TT5)
7 Fog Lamp - LF (T96)
8 Inflatable Restraint Front End Sensor - Left
9 Ambient Air Temperature Sensor (DF8)
10 Inflatable Restraint Front End Sensor - Right
11 Fog Lamp - RF (T96)
12 Headlamp - High Beam - Right (TT5)
13 Headlamp - Low Beam - Right (TT5)
14 Headlamp - RH (w/o TT5)
15 C104 (Forward Lamp Harness to Body Harness)
16 C103 (Forward Lamp Harness to Body Harness)
17 C107 (Forward Lamp Harness to Front Turn Signal Harness)
18 Forward Lamp Harness (TT5)
19 Forward Lamp Harness (w/oTT5)
Fig 2: Engine Harness Routing 1 Of 2 (2.8L)
GM1333135Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Powertrain Control Module (PCM) C2
2 Powertrain Control Module (PCM) C3
3 Throttle Body
4 Manifold Absolute Pressure (MAP) Sensor
5 Evaporative Emission (EVAP) Canister Purge Solenoid
6 Knock Sensor (KS)
7 Generator
8 Crankshaft Position (CKP) Sensor
9 C105 (4WD) or C106 (2WD) (Engine Harness to Body Harness)
10 Fuse Block - Underhood C2
11 A/C Compressor Clutch
12 G101
13 G103
14 G102
15 Engine Oil Pressure (EOP) Sensor
16 Camshaft Position (CMP) Sensor
17 C100 (4WD) (Engine Harness to Front Axle Jumper Harness)
18 Camshaft Position (CMP) Actuator Solenoid - Bank 1 Exhaust
19 Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
Fig 3: Engine Harness Routing 2 Of 2 (2.8L)
GM1333200Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Ignition Coil 3
2 Ignition Coil 2
3 Ignition Coil 1
4 Ignition Coil 4
5 Engine Coolant Temperature (ECT) Sensor
6 C175 (M30) (Engine Harness to Transmission)
7 Backup Lamp Switch (MA5)
8 Vehicle Speed Sensor (VSS)
9 Transfer Case Encoder Motor C1 (4WD)
10 Heated Oxygen Sensor (HO2S) 2 (MA5)
11 Transfer Case Encoder Motor C3 (4WD)
12 Transfer Case Encoder Motor C4 (4WD)
13 Transfer Case Encoder Motor C2 (4WD)
14 Heated Oxygen Sensor (HO2S) 2 (M30)
15 Park/Neutral Position Switch (M30)
16 C101 (Engine Harness to Fuel Rail Harness)
Fig 4: Engine Harness Routing 1 Of 2 (3.5L)
GM1334046Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Powertrain Control Module (PCM) C2
2 Powertrain Control Module (PCM) C3
3 Throttle Body
4 Manifold Absolute Pressure (MAP) Sensor
5 Evaporative Emission (EVAP) Canister Purge Solenoid
6 Knock Sensor (KS) 2
7 Generator
8 C105 (4WD) or C106 (2WD) (Engine Harness to Body Harness)
9 Fuse Block - Underhood C2
10 Camshaft Position (CMP) Sensor 2
11 Crankshaft Position (CKP) Sensor
12 A/C Compressor Clutch
13 Knock Sensor (KS) 1
14 G101
15 G103
16 G102
17 Engine Oil Pressure (EOP) Sensor
18 Camshaft Position Sensor 1
19 C100 (4WD) (Engine Harness to Front Axle Jumper Harness)
20 Camshaft Position (CMP) Actuator Solenoid - Bank 1 Exhaust
21 Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
Fig 5: Engine Harness Routing 2 Of 2 (3.5L)
GM1334262Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Ignition Coil 5
2 Ignition Coil 4
3 Ignition Coil 3
4 Ignition Coil 2
5 Ignition Coil 1
6 Engine Coolant Temperature (ECT) Sensor
7 C175 (M30) (Engine Harness to Transmission)
8 Backup Lamp Switch (MA5)
9 Heated Oxygen Sensor (HO2S) 2 (M30)
10 Vehicle Speed Sensor (VSS) (M30)
11 Transfer Case Encoder Motor C1 (4WD)
12 Heated Oxygen Sensor (HO2S) 2 (MA5)
13 Transfer Case Encoder Motor C3 (4WD)
14 Transfer Case Encoder Motor C4 (4WD)
15 Transfer Case Encoder Motor C2 (4WD)
16 Vehicle Speed Sensor (VSS) (MA5)
17 Park/Neutral Position Switch (M30)
18 C101 (Engine Harness to Fuel Rail Harness)
Fig 6: Battery Cable Harness Routing
GM1390640Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 G104
2 Starter
3 Generator Positive Voltage Connector
4 Battery
5 G100
6 Battery Negative Terminal
7 Fuse Block - Underhood
8 Ring Terminal Battery
9 Ring Terminal Generator
10 Battery Positive Terminal
11 Generator
Fig 7: I/P Harness Routing
GM1331461Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Accessory Switch C2
2 Hazard Switch
3 Accessory Switch C1
4 Digital Radio Receiver (U2K)
5 Inflatable Restraint I/P Module
6 Ambient Light Sensor
7 Vehicle Communication Interface Module (VCIM) (UE1)
8 Courtesy Lamp - Footwell Right
9 Body Control Module (BCM) C2
10 C201 (I/P Harness to Body Harness)
11 HVAC Control Module C1
12 Auxiliary Power Outlet 2
13 Auxiliary Power Outlet 1
14 HVAC Control Module C2
15 Courtesy Lamp - Footwell Left
16 Data Link Connector (DLC)
17 C204 (Steering Column Harness to I/P Harness)
18 C208 (I/P Harness to Body Harness)
19 C200 (I/P Harness to Body Harness)
20 Headlamp and Panel Dimmer Switch
21 Instrument Panel Cluster (IPC)
22 Radio C1
23 Radio C2
Fig 8: HVAC Harness Routing
GM1390708Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Evaporator Temperature Sensor (C60)
2 C203 (I/P Harness to the HVAC Harness)
3 Recirculation Actuator (C60)
4 Blower Motor
5 S202
6 Blower Motor Resistor Assembly
Fig 9: Dome Lamp Harness Routing
GM1391996Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Dome Lamp
2 C310
Fig 10: Body Harness Routing 1 Of 3 (Regular Cab)
GM1332665Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Wheel Speed Sensor (WSS) - LF
2 Brake Fluid Level Switch
3 Windshield Wiper Motor
4 Pass-through Grommet
5 Electronic Brake Control Module (EBCM)
6 Splice Pack SP105/G105
7 C102 (Body Harness to Chassis Harness)
8 C105 (4WD) or C106 (2WD) (Engine Harness to Body Harness)
9 Fuse Block - Underhood C4
10 Fuse Block - Underhood C5
11 Fuse Block - Underhood C7
12 Fuse Block - Underhood C6
13 C104 (Forward Lamp Harness to Body Harness), and C103 (Forward Lamp Harness to Body Harness)
14 Splice Pack SP106/G106
15 Wheel Speed Sensor (WSS) - RF
16 Powertrain Control Module (PCM) C1
17 Windshield Washer Fluid Pump
18 Pass-through Grommet
19 A/C Refrigerant Pressure Sensor
Fig 11: Body Harness Routing 2 Of 3 (Regular Cab)
GM1332342Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Body Control Module (BCM) C1
2 C201 (I/P Harness to Body Harness)
3 G301
4 G302
5 Cargo Lamp/Center High Mounted Stop Lamp (CHMSL)
6 Door Jamb Switch - Front Passenger
7 C313 (Body Harness to Passenger Seat Harness)
8 Seat Belt Pretensioner - RF
9 Inflatable Restraint Sensing and Diagnostic Module (SDM)
10 Transfer Case Shift Control Module
11 C314 (Body Harness to Driver Seat Harness)
12 G Sensor
13 Seat Belt Pretensioner - LF
14 Door Jamb Switch - Driver
15 G300
16 Stop Lamp Switch
17 TCC Brake/Cruise Release Switch
18 Park Brake Switch
19 S303
20 Clutch Switch
21 Clutch Start Switch
22 C208 (I/P Harness to Body Harness)
23 C202 (Driver Door Harness to Body Harness)
24 C209 (Body Harness to Driver Door Harness)
25 C200 (I/P Harness to Body Harness)
26 C275 (Body Harness to Steering Wheel Harness)
27 Inflatable Restraint Roof Rail Module - Left
28 Accelerator Pedal Position (APP) Sensor
29 C310 (Dome Lamp Harness to Body Harness)
30 C210 and C211 (A31) (Body Harness to Passenger Door Harness)
31 Inflatable Restraint Roof Rail Module - Right
32 Inside Rearview Mirror
Fig 12: Body Harness Routing 3 Of 3 (Regular Cab)
GM1332540Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 S102
2 S100
3 S304
4 S311
5 S303
Fig 13: Body Harness Routing 1 Of 3 (Regular Cab)
GM1332665Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Wheel Speed Sensor (WSS) - LF
2 Brake Fluid Level Switch
3 Windshield Wiper Motor
4 Pass-through Grommet
5 Electronic Brake Control Module (EBCM)
6 Splice Pack SP105/G105
7 C102 (Body Harness to Chassis Harness)
8 C105 (4WD) or C106 (2WD) (Engine Harness to Body Harness)
9 Fuse Block - Underhood C4
10 Fuse Block - Underhood C5
11 Fuse Block - Underhood C7
12 Fuse Block - Underhood C6
13 C104 and C103 (Forward Lamp Harness to Body Harness)
14 Splice Pack SP106/G106
15 Wheel Speed Sensor (WSS) - RF
16 Powertrain Control Module (PCM) C1
17 Windshield Washer Fluid Pump
18 Pass-through Grommet
19 A/C Refrigerant Pressure Sensor
Fig 14: Body Harness Routing 2 Of 3 (Extended Cab)
GM1390332Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C310 (Dome Lamp Harness to Body Harness)
2 C201 (I/P Harness to Body Harness)
3 G301
4 G302
5 Inflatable Restraint Sensing and Diagnostic Module (SDM)
6 C313 (Body Harness to Passenger Seat Harness)
7 C317 (Body Harness to RR Passenger Door Harness)
8 C312 (Body Harness to RR Passenger Door Harness)
9 Cargo Lamp/Center High Mounted Stop Lamp (CHMSL)
10 C316 (Body Harness to LR Passenger Door Harness)
11 C311 (Body Harness to LR Passenger Door Harness)
12 C314 (Body Harness to Driver Seat Harness)
13 Transfer Case Shift Control Module C1
14 Transfer Case Shift Control Module C2
15 G Sensor
16 G300
17 Accelerator Pedal position (APP) Sensor
18 S102
19 S100
20 Stop Lamp Switch
21 TCC Brake/Cruise Release Switch
22 Park Brake Switch
23 Clutch Switch
24 Inflatable Restraint Roof Rail Module - Right
25 C211 (A31) (Body Harness to Passenger Door Harness)
26 C210 (A31) (Body Harness to Passenger Door Harness)
27 C200 (I/P Harness to Body Harness)
28 C275 (Body Harness to Steering Wheel Harness)
29 Clutch Start Switch
30 Body Control Module (BCM) C1
31 C209 (Body Harness to Driver Door Harness)
32 C202 (Body Harness to Driver Door Harness)
33 Inside Rearview Mirror
Fig 15: Body Harness Routing 3 Of 3 (Extended Cab)
GM1390611Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 S304
2 S311
3 S303
Fig 16: Body Harness Routing 1 Of 3 (Regular Cab)
GM1332665Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Wheel Speed Sensor (WSS) - LF
2 Brake Fluid Level Switch
3 Windshield Wiper Motor
4 Pass-through Grommet
5 Electronic Brake Control Module (EBCM)
6 Splice Pack SP105/G105
7 C102 (Body Harness to Chassis Harness)
8 C105 (4WD) or C106 (2WD) (Engine Harness to Body Harness)
9 Fuse Block - Underhood C4
10 Fuse Block - Underhood C5
11 Fuse Block - Underhood C7
12 Fuse Block - Underhood C6
13 C104 (Forward Lamp Harness to Body Harness) and C103 (Forward Lamp Harness to Body Harness)
14 Splice Pack SP106/G106
15 Wheel Speed Sensor (WSS) - RF
16 Powertrain Control Module (PCM) C1
17 Windshield Washer Fluid Pump
18 Pass-through Grommet
19 A/C Refrigerant Pressure Sensor
Fig 17: Body Harness Routing 2 Of 3 (Crew Cab)
GM1332757Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Body Control Module (BCM) C1
2 C201 (I/P Harness to Body Harness)
3 G301
4 G302
5 Inflatable Restraint Sensing and Diagnostic Module (SDM)
6 C317 (A31) or C317 (w/oA31) (Body Harness to RR Passenger Door Harness)
7 Cargo Lamp/Center High Mounted Stop Lamp (CHMSL)
8 Door Jamb Switch - Front Passenger
9 Seat Belt Pretensioner - RF
10 Door Jamb Switch - RR
11 C313 (Body Harness to Passenger Seat Harness)
12 C316 (A31) or C316 (w/oA31) (Body Harness to LR Passenger Door Harness)
13 C314 (Body Harness to Driver Seat Harness)
14 Seat Belt Pretensioner - LF
15 Door Jamb Switch - LR
16 Door Jamb Switch - Driver
17 Transfer Case Shift Control Module C1, C2
18 G Sensor
19 G300
20 Stop Lamp Switch
21 TCC Brake/Cruise Release Switch
22 Park Brake Switch
23 S303
24 Clutch Switch
25 Clutch Start Switch
26 C208 (I/P Harness to Body Harness)
27 C202 (Driver Door Harness to Body Harness)
28 C209 (Body Harness to Driver Door Harness)
29 C200 (I/P Harness to Body Harness)
30 C275 (Body Harness to Steering Wheel Harness)
31 Inflatable Restraint Roof Rail Module - Left
32 Accelerator Pedal Position (APP) Sensor
33 C310 (Dome Lamp Harness to Body Harness)
34 C210 and C211 (A31) (Body Harness to Passenger Door Harness)
35 Inflatable Restraint Roof Rail Module - Right
36 Inside Rearview Mirror
Fig 18: Body Harness Routing 3 Of 3 (Crew Cab)
GM1332760Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 S100
2 S102
3 S302 (A31)
4 S307
5 S308 (A31)
6 S309 (A31)
7 S311
8 S300
9 S301 (AG1/AG2)
Fig 19: Driver Door Harness Routing
GM1390748Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Door Lock and Window Switch - Driver
2 Speaker - LF Door Tweeter (UQ2)
3 Outside Rearview Mirror - Driver
4 Outside Rearview Mirror Switch
5 C202 (Driver Door Harness to Body Harness)
6 C209 (Body Harness to Driver Door Harness)
7 Speaker - LF Door
8 Window Motor - Driver
9 Inflatable Restraint Side Impact Sensor (SIS) - Left Connector (ASF)
10 S500
11 Door Lock Actuator - Driver
Fig 20: Front Passenger Door Component View
GM1360617Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Outside Rearview Mirror - Front Passenger
2 Speaker - RF Door Tweeter (UQ2)
3 Door Lock and Window Switch - Front Passenger
4 Door Lock Actuator - Front Passenger
5 Inflatable Restraint Side Impact Sensor (SIS) - Right Connector (ASF)
6 Window Motor - Front Passenger
7 Speaker - RF Door
8 C211 (Front Passenger Door Harness to Body Harness)
9 C210 (Body Harness to Front Passenger Door Harness)
Fig 21: Left Rear Door (Crew Cab) Component View
GM1361614Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Speaker - LR Door
2 Door lock and Window Switch - LR
3 C316 (Body Harness to Left Rear Door Harness)
4 Window Motor - LR
5 Door Lock Actuator - LR
Fig 22: Right Rear Door (Crew Cab) Component View
GM1390861Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Door Lock and Window Switch - RR
2 Speaker - RR Door
3 Door Lock Actuator - RR
4 Window Motor - RR
5 C317 (Body Harness to Right Rear Door Harness)
Fig 23: Left Rear Door Harness Routing (Extended Cab)
GM1391098Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Speaker - LR Door
2 C312 (Body Harness to Left Rear Door Harness)
3 C316 (Body Harness to Left Rear Door Harness)
4 Seat Belt Pretensioner - LF
5 Door Jamb Switch - Driver
Fig 24: Right Rear Door Harness Routing (Extended Cab)
GM1391101Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Speaker - RR Door
2 Door Jamb Switch - Front Passenger
3 Seat Belt Pretensioner - RF
4 C317 (Body Harness to Right Rear Door Harness)
5 C311 (Body Harness to Right Rear Door Harness)
Fig 25: Chassis Harness Routing
GM1333088Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Chassis Frame
2 Fuel Tank Pressure (FTP) Sensor
3 Fuel Pump and Sender Assembly
4 Evaporative Emission (EVAP) Canister Vent Solenoid
5 C402 (Chassis Harness to RR Lamp Assembly)
6 S404
7 C401 (Chassis Harness to LR Lamp Assembly)
8 C400 (Chassis Harness to License Lamp Harness)
9 S403
10 S402
11 S400
12 S401
13 S310
14 C102 (Body Harness to Chassis Harness)
Fig 26: License Plate Lamp Harness Routing
GM1391599Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 License Lamp - RH
2 S900
3 S901
4 License Lamp - LH
5 C400
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