Power and Grounding Component Views

Fig 1: LR Of Engine Compartment Component View

Courtesy of GENERAL MOTORS CORP.

LR Of Engine Compartment Component View Callouts

Callout	Component Name
1	G104
2	Starter
3	Generator Positive Voltage Connector
4	Battery
5	G100
6	Fuse Block-Underhood
7	Ring Terminal Battery
8	Ring Terminal Generator
9	Battery Positive Terminal
10	Generator

Fig 2: Engine Compartment (2.8L) Component View

Courtesy of GENERAL MOTORS CORP.

Engine Harness Routing (2.8L) Callouts

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 (C60)
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 (3.5L)

Courtesy of GENERAL MOTORS CORP.

Engine Harness Routing (3.5L) Callouts

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 4: Body Harness Routing 1 Of 3 (Regular Cab)

Courtesy of GENERAL MOTORS CORP.

Body Harness Routing 1 Of 3 (Regular Cab) Callouts

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 5: Body Harness Routing (Regular Cab)

Courtesy of GENERAL MOTORS CORP.

Body Harness Routing (Regular Cab) Callouts

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 6: Body Harness Routing (Extended Cab)

Courtesy of GENERAL MOTORS CORP.

Body Harness Routing (Extended Cab) Callouts

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 (Driver Door Harness to Body Harness)
33	Inside Rearview Mirror

Fig 7: Body Harness Routing (Crew Cab)

Courtesy of GENERAL MOTORS CORP.

Body Harness Routing (Crew Cab) Callouts

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 8: Left Side Of I/P Component View

Courtesy of GENERAL MOTORS CORP.

Left Side Of I/P Component View Callouts

Callout	Component Name
1	C275 (Body Harness to Steering Wheel Harness)
2	A/T Shift Lock Control Solenoid Connector
3	Body Harness
4	Accelerator Pedal Position (APP) Sensor Connector
5	Accelerator Pedal
6	Accelerator Pedal Position (APP) Sensor
7	A/T Shift Lock Control Solenoid
8	Ignition Lock Cylinder Case (Ignition Switch Location)