Engine Harnesses

Harness Routing Views

Cooling Fan Tether Harness Routing




1 - Cooling Fan
2 - C118

Engine Harness Routing - Left Front (4.2L)




1 - Engine Coolant Temperature (ECT) Sensor
2 - Evaporative Emission (EVAP) Canister Purge Solenoid
3 - Powertrain Control Module (PCM) C3
4 - Throttle Body
5 - Manifold Absolute Pressure (MAP) Sensor
6 - Powertrain Control Module (PCM) C2
7 - C100
8 - Starter
9 - Fuse Block - Underhood C1
10 - Knock Sensor (KS) 2 - Rear
11 - Crankshaft Position (CKP) Sensor
12 - G109
13 - G101
14 - G110
15 - A/C Compressor Clutch Assembly
16 - A/C Refrigerant Pressure Sensor
17 - Knock Sensor (KS) 1 - Front
18 - G107
19 - Generator

Engine Harness Routing - Right Rear (4.2L)




1 - Park/Neutral Position (PNP) Switch
2 - Heated Oxygen Sensor (HO2S) Sensor 2
3 - C104
4 - Ignition Coil 5
5 - Ignition Coil 4
6 - Ignition Coil 3
7 - Ignition Coil 2
8 - Ignition Coil 1
9 - Camshaft Actuator Solenoid Assembly
10 - Camshaft Position (CMP) Sensor
11 - Engine Oil Pressure (EOP) Switch
12 - Heated Oxygen Sensor (HO2S) 1
13 - Ignition Coil 6
14 - C175
15 - C310

Fuel Injector Harness Routing (4.2L)




1 - C104
2 - Fuel Injector 6
3 - Fuel Injector 5
4 - Fuel Injector 4
5 - Fuel Injector 3
6 - Fuel Injector 2
7 - Fuel Injector 1

Engine Harness Routing - Left Rear (5.3L)




1 - Generator
2 - S112
3 - Evaporative Emission (EVAP) Canister Purge Solenoid
4 - C109
5 - Fuel Injector 3
6 - Fuel Injector 5
7 - Fuel Injector 7
8 - Engine Oil Pressure (EOP) Sensor
9 - Valve Lifter Oil Manifold (VLOM) Assembly
10 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
11 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
12 - C310
13 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
14 - Park/Neutral Position (PNP) Switch
15 - G107
16 - Knock Sensor (KS) 1 - Left
17 - G108
18 - C107
19 - Engine Coolant Temperature (ECT) Sensor
20 - Engine Control Module (ECM) C1
21 - Engine Control Module (ECM) C2
22 - Engine Control Module (ECM) C3
23 - Fuse Block - Underhood C1
24 - S100
25 - Brake Booster Vacuum Sensor
26 - Fuel Injector 1

Engine Harness Routing - Right Front (5.3L)




1 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
2 - Fuel Injector 8
3 - C108
4 - Fuel Injector 6
5 - S102
6 - Fuel Injector 4
7 - Fuel Injector 2
8 - Manifold Absolute Pressure (MAP) Sensor
9 - S105
10 - S101
11 - Transmission Control Module (TCM)
12 - Throttle Body
13 - C110
14 - A/C Compressor Clutch Assembly
15 - A/C Refrigerant Pressure Sensor
16 - Knock Sensor (KS) 2 - Right
17 - Starter
18 - Crankshaft Position (CKP) Sensor
19 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
20 - C175

Camshaft Position Sensor Harness Routing (5.3L)




1 - Camshaft Position (CMP) Sensor
2 - C110

Ignition Coil Harness Routing




1 - Ignition Coil 1
2 - Ignition Coil 3
3 - C109
4 - Ignition Coil 2
5 - Ignition Coil 5
6 - Ignition Coil 4
7 - C108
8 - Ignition Coil 6
9 - Ignition Coil 7
10 - Ignition Coil 8