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Home >> Isuzu >> 2007 >> Ascender 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 264 (Wiring Systems And Power Management - Introduction) >> Schematic & Routing Diagrams >> Harness Routing Views

Harness Routing Views

WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Forward Lamp Harness Routing
GM1549245Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C105
2 Fuse Block - Underhood C4
3 Park/Turn Signal Lamp - LF
4 C102
5 Horn Assembly
6 C118
7 Windshield Washer Fluid Level Switch (U68)
8 Headlamp Washer Fluid Pump (CE4)
9 Windshield Washer Fluid Pump
10 A/C Low Pressure Switch
11 S104 (W49)
12 S103
13 G103
14 Park/Turn Signal Lamp - RF
15 Marker Lamp -RF
16 Cornering Lamp - Right (Z88/W49)
17 Fog Lamp - RF
18 C103
19 Rear Window Washer Fluid Pump
20 S113
21 Ambient Air Temperature Sensor (CJ3)
22 S107
23 Fog Lamp - LF
24 S106 (W49)
25 Cornering Lamp - Left (Z88/W49)
26 Marker Lamp - LF
Fig 2: View Of Cooling Fan Tether Harness Routing
GM1547958Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Cooling Fan
2 C118
Fig 3: View Of Engine Harness Routing - Left Front (4.2L)
GM1775169Courtesy of GENERAL MOTORS CORP.
Callout Component Name
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
Fig 4: View Of Engine Harness Routing - Right Rear (4.2L)
GM1549247Courtesy of GENERAL MOTORS CORP.
Callout Component Name
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 Secondary Air Injection (AIR) Solenoid (K18)
14 Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
15 Ignition Coil 6
16 C175
17 Vehicle Speed Sensor (2WD)/C310 (4WD)
Fig 5: View Of Fuel Injector Harness Routing (4.2L)
GM1549248Courtesy of GENERAL MOTORS CORP.
Callout Component Name
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
Fig 6: View Of Engine Harness Routing - Left Rear (5.3L/6.0L)
GM1701037Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Generator
2 S112 (5.3L)
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 (5.3L)
10 Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
11 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
12 Vehicle Speed Sensor (VSS) (2WD)/C310 (4WD)
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 (5.3L)
26 Fuel Injector 1
Fig 7: View Of Engine Harness Routing - Right Front (5.3L/6.0L)
GM1549250Courtesy of GENERAL MOTORS CORP.
Callout Component Name
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
Fig 8: View Of Camshaft Position Sensor Harness Routing (5.3L/6.0L)
GM1549251Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Camshaft Position (CMP) Sensor
2 C110
Fig 9: View Of Ignition Coil Harness Routing (5.3L/6.0L)
GM1549252Courtesy of GENERAL MOTORS CORP.
Callout Component Name
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
Fig 10: View Of Chassis Harness Routing
GM1701042Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Electronic Frontal Sensor (EFS) - Right
2 Front Axle Actuator (NP8)
3 Wheel Speed Sensor - RF
4 Electronic Brake Control Module (EBCM)
5 Secondary Air Injection (AIR) Pump (4.2L w/K18)
6 C310 (4WD)
7 Vehicle Speed Sensor (VSS) (4WD)
8 S306
9 Fuel Pump and Sender Assembly
10 Evaporative Emission (EVAP) Canister Vent Solenoid
11 Air Suspension Sensor - RR (G67)
12 Air Suspension Compressor Assembly C1 (G67)
13 Backup Lamp - Right (Z88)
14 Backup Lamp - Left (Z88)
15 S408 (Z88)
16 G403
17 Air Suspension Sensor - LR (G67)
18 Fuel Tank Pressure (FTP) Sensor
19 S359 (5.3L/6.0L)
20 G305
21 Propshaft Speed Sensor - Rear
22 Transfer Case Encoder Motor (4WD)
23 Propshaft Speed Sensor - Front
24 Secondary Air Injection (AIR) Pump Relay (4.2L w/K18)
25 G304
26 Wheel Speed Sensor - LF
27 C101
28 Fuse Block - Underhood C3
29 Fuse Block - Underhood C7
30 Electronic Frontal Sensor (EFS) - Left
Fig 11: View Of I/P Harness Routing - Engine Compartment
GM1549264Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C101
2 G104
3 G105
4 G102
5 C107 (5.3L/6.0L)
6 C105
7 Fuse Block - Underhood C2
8 S117
9 C100
10 Powertrain Control Module (PCM) C1 (4.2L)
Fig 12: View Of I/P Harness Routing - Rear Of I/P
GM1549265Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Speaker - RF I/P (UQA)
2 Recirculation Actuator
3 S216
4 Radio C2
5 Radio C1
6 Ambient Light Sensor (CJ3)/Ambient Light/Sunload Sensor Assembly (CJ2)
7 Mode Actuator
8 Air Temperature Sensor - Lower Left (CJ2)
9 Defrost Actuator
10 Windshield Wiper motor
11 Speaker - LF I/P (UQA)
12 C225 (JF4)
13 Turn Signal/Hazard Flasher Module
14 Stop Lamp Switch
15 Accelerator Pedal Position (APP) Sensor
16 S239
17 S202
18 S217
19 Air Temperature Actuator - Right
20 Splice Pack SP205
21 S211
22 S230
23 Air Temperature Sensor - Lower Right (CJ2)
24 Splice Pack SP201
25 Air Temperature Actuator - Right
26 S271 (CJ2)
27 Blower Motor Resistor Assembly (CJ3)/Blower Motor Control Module (CJ2)
28 S250 (CJ3)
29 S201 (CJ3)
30 Inflatable Restraint I/P Module
Fig 13: View Of I/P Harness Routing - Front Of I/P
GM1702855Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Instrument Panel Cluster
2 Transfer Case Shift Control Switch (NP8)
3 Air Temperature Sensor - Upper Left (CJ2)
4 HVAC Control Module C2
5 Air Temperature Sensor - Upper Right (CJ2)
6 HVAC Control Module C1
7 C221 (U42/U2K)
8 C202
9 C203
10 Auxiliary Power Outlet - Front
11 Cigar Lighter
12 C300
13 C307
14 Inflatable Restraint Sensing and Diagnostic Module (SDM)
15 S220
16 Rollover Sensor
17 C304
18 Fuse Block - Rear C1
19 Body Control Module (BCM) C1
20 Body Control Module (BCM) C2
21 S203
22 S320
23 Rear Window Wiper/Washer Switch
24 C201
25 C275
26 Data Link Connector (DLC)
27 Transfer Case Shift Control Module C2 (4WD)
28 Transfer Case Shift Control Module C3 (4WD)
29 Headlamp Switch C1
30 Headlamp Switch C2
Fig 14: View Of Infotainment Jumper Harness Routing (U42/U2K)
GM1549268Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Digital Radio Receiver (U2K)
2 C221 (U42/U2K)
3 C220 (U42)
Fig 15: View Of Steering Wheel Harness Routing (STW)
GM1549269Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Steering Wheel Control Switch Assembly - Upper Left
2 C277
3 Steering Wheel Control Switch Assembly - Upper Right
4 Steering Wheel Control Switch Assembly - Lower Right
5 Steering Wheel Control Switch Assembly - Lower Left
Fig 16: View Of Electronic Adjustable Pedals Harness Routing (JF4)
GM1545399Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Electronic Adjustable Pedals (EAP) Relay
2 C225
3 Electronic Adjustable Pedals (EAP) Assembly
Fig 17: View Of Body Harness Routing
GM1549270Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Splice Pack SP306
2 S374 (BAE)
3 S362 (BAE)
4 Center High Mounted Stop Lamp (CHMSL)
5 C900
6 S401
7 G401
8 Tail Lamp Circuit Board - Left
9 C304
10 Inflatable Restraint Roof Rail Module - Left
11 Fuse Block - Rear C2
12 C700
13 Air Temperature Sensor Assembly - Inside (CJ2)
14 G302
15 S302
16 C317
17 C500
18 C311
19 C306
20 C314
21 C318
22 C203 (ASF)
23 C202
24 C220 (U42)
25 C600
26 S310
27 S303
28 G303
29 C800
30 Vehicle Communication Interface Module (VCIM) (UE1) C1
31 Vehicle Communication Interface Module (VCIM) (UE1) C2
32 Inflatable Restraint Roof Rail Module - Right
33 S402
34 Audio Amplifier (UQA) C2
35 Audio Amplifier (UQA) C1
36 Tail Lamp Circuit Board - Right
37 G402
Fig 18: View Of Headliner Harness Routing
GM1775171Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Cargo Lamp
2 C308 (CF5)
3 Courtesy/Reading Lamp - Center
4 S390
5 S331
6 C305
7 S322
8 Vanity Mirror Lamp - Right (DH2)
9 Inside Rearview Mirror
10 Vanity Mirror Lamp - Left (DH2)
11 S312
12 C306
13 Fuse Block - Underhood C3
Fig 19: View Of Seat Belt Pretensioner Harness Routing - Left
GM1549277Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Seat Belt Pretensioner - Left
2 C317
Fig 20: View Of Seat Belt Pretensioner Harness Routing - Right
GM1549280Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Seat Belt Pretensioner - Right
2 C318
Fig 21: View of Floor Console Harness Routing (Z88, X88, Z89 w/CJ2)
GM1549283Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Auxiliary Power Outlet - Console
2 HVAC Control Module - Auxiliary
3 S307
4 C307
5 Console Mode Actuator - Auxiliary
Fig 22: View of Left Front Door Harness Routing
GM1549286Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C500
2 Driver Door Module (DDM) C2
3 Door Latch Assembly - Driver C1
4 Door Latch Assembly - Driver C3 (UA2/UA6)
5 Door Latch Assembly - Driver C2
6 Inflatable Restraint Side Impact Sensor (SIS) - Left (ASF)
7 Window Motor - Driver
Fig 23: View of Right Front Door Harness Routing
GM1549288Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Door Latch Assembly - Passenger C1
2 Door Latch Assembly - Passenger C2
3 Inflatable Restraint Side Impact Sensor (SIS) - Right (ASF)
4 Window Motor - Front Passenger
5 Front Passenger Door Module (FPDM) C1
6 C600
Fig 24: View of Left Rear Door Harness Routing
GM1549290Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 C700
2 Window Switch - LR
3 Door Latch Assembly - LR C1
4 Door Latch Assembly - LR C2
5 Speaker - LR Door
6 Window Motor - LR
Fig 25: View of Right Rear Door Harness Routing
GM1549291Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Door Latch Assembly - RR C1
2 Window Switch - RR
3 Window Motor - RR
4 C800
5 Speaker - RR Door
6 Door Latch Assembly - RR C2
Fig 26: View of Liftgate Harness Routing
GM1703424Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Rear Window Wiper Motor
2 C905 (C49)
3 Liftglass Ajar Switch
4 C900
5 C904 (C49)
6 S901
7 Liftgate Module (LGM) C3
8 Liftgate Module (LGM) C2
9 Liftgate Module (LGM) C1
10 C901
11 Liftgate Latch Assembly C2
12 Liftgate Latch Assembly C1
Fig 27: View of Rear Defogger Harness Routing (C49)
GM1549309Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Rear Window Defogger Grid C1
2 C905
3 C904
4 Rear Window Defogger Grid C2
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