GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Forward Lamp Harness


Object Number: 1524052  Size: LF
(1)C121
(2)G102
(3)Fuse Block - Underhood C3
(4)Inflatable Restraint Front End Sensor Connector
(5)Front Fascia
(6)Fog Lamp - Right
(7)Fog Lamp - Left
(8)G101
Figure 2:

Front ABS Harnesses


Object Number: 1602027  Size: LF
(1)LF Strut Tower
(2)RF Strut Tower
(3)C171 Wheel Speed Sensor (WSS) - LF
(4)C170 Wheel Speed Sensor (WSS) - RF
Figure 3:

Engine Harness (L61)


Object Number: 1524050  Size: LF
(1)Mass Air Flow (MAF) / Intake Air Temperature (IAT) Sensor
(2)C101
(3)G109
(4)Fuse Block - Underhood C1
(5)Transmission Control Module (TCM) C1
(6)Engine Control Module (ECM) C2
(7)G103
(8)C100
(9)G105
(10)C160
(11)Air Compressor Clutch Connector
Figure 4:

Front of the Engine (LSJ)


Object Number: 1578407  Size: LF
(1)Valve Cover
(2)C161
(3)Fuse Block Underhood C1
(4)MAP Sensor Connector
(5)Engine Oil Pressure (EOP) Sensor Connector
(6)G105
(7)A/C Compressor Clutch Connector
Figure 5:

Rear of the Engine (LSJ)


Object Number: 1578409  Size: LF
(1)Fuse Block Underhood C1
(2)C162
(3)C161
(4)Heated Oxygen Sensor 2 (HO2S) Connector
(5)C164
(6)G105
(7)Mass Air Flow (MAF)/Inlet Air Temperature (IAT) Sensor
(8)Powertrain Control Module (PCM) C1
(9)Powertrain Control Module (PCM) C2
Figure 6:

Top of the Engine (LSJ)


Object Number: 1578410  Size: LF
(1)Valve Cover
(2)Ignition coil/Module 1
(3)S100
(4)Ignition Coil/Module 2
(5)Ignition Coil/Module 3
(6)S140
(7)Ignition Coil/Module 4
(8)S141
(9)C162
(10)C164
(11)Fuel Injector 4
(12)Fuel Injector 3
(13)S103
(14)Fuel Injector 2
(15)Fuel Injector 1
Figure 7:

Oxygen Sensors (LSJ)


Object Number: 1578412  Size: LF
(1)Heated Oxygen Sensor (HO2S) 1
(2)Engine Block (LSJ)
(3)Heated Oxygen Sensor (HO2S) 2
Figure 8:

I/P Harness Routing


Object Number: 1524011  Size: LF
(1)I/P Carrier
(2)G203
(3)G201
(4)S233
(5)C275
(6)SP200
(7)Data Link Connector (DLC)
(8)C201
(9)C204
(10)Body Control Module (BCM) C4
(11)Body Control Module (BCM) C2
(12)I/P Carrier Trim
(13)Radio Antenna Coax
(14)C200
(15)C210
Figure 9:

Passenger Air Bag


Object Number: 1574485  Size: MF
(1)Passenger Air Bag
(2)C202
Figure 10:

LF Door - Sedan


Object Number: 1524041  Size: LF
(1)Door Frame
(2)S200
(3)C301
(4)Speaker Connector
(5)Door Latch Connector
(6)Left Door Latch
Figure 11:

LF Door - Coupe


Object Number: 1524037  Size: LF
(1)Door Frame
(2)S200
(3)C301
(4)Speaker Connector
(5)Window Motor Connector
(6)Inflatable Restraint Side Impact Sensor (SIS) Connector
Figure 12:

RF Door - Sedan


Object Number: 1524045  Size: LF
(1)Door Frame
(2)Door Latch Connector
(3)Speaker Connector
(4)C300
Figure 13:

RF Door - Coupe


Object Number: 1524042  Size: LF
(1)Door Frame
(2)Inflatable Restraint Side Impact Sensor (SIS) Connector
(3)Window Motor Connector
(4)Speaker Connector
(5)C300
Figure 14:

LR Door - Sedan


Object Number: 1524047  Size: LF
(1)Door Frame
(2)Door Latch Connector
(3)Window Motor Connector
(4)C700
Figure 15:

RR Door - Sedan


Object Number: 1524048  Size: LF
(1)Door Frame
(2)C800
(3)Window Motor Connector
(4)Door Latch Connector
Figure 16:

Driver Seat


Object Number: 1524033  Size: LF
(1)Seat Belt Switch
(2)Heated Seat Element - Driver Back (KA1)
(3)Heated Seat Element - Driver Cushion (KA1)
(4)Seat Belt Switch Connector - Driver
(5)C315 (KA1)
(6)Heated Seat Module - Driver (KA1)
Figure 17:

Passenger Seat


Object Number: 1524032  Size: LF
(1)Heated Seat Element - Passenger Back (KA1)
(2)Seat Belt Buckle/Seat Belt Switch
(3)Heated Seat Module - Passenger (KA1)
(4)C314 (KA1)
(5)Heated Seat Element - Passenger Cushion (KA1)
Figure 18:

Headliner Harness (CF5)


Object Number: 1524013  Size: LF
(1)Headliner
(2)C304 (Coax)
(3)C321 (UE1) or C323 (w/o UE1)
(4)C302
(5)Cellular Micophone Connector (UE1)
(6)Inside Rearview Mirror (ISRVM) Connector
(7)Sunroof Switch Connector (CF5)
Figure 19:

Headliner Harness (w/o CF5)


Object Number: 1524018  Size: LF
(1)Headliner
(2)Dome Lamp
(3)C323
(4)S300
(5)Inside Rearview Mirror (ISRVM) Connector
Figure 20:

Body Harness - Engine Compartment


Object Number: 1524019  Size: LF
(1)C101
(2)Windshield Wiper Module Connector
(3)Fuse Block - Underhood C4
(4)Fuse Block - Underhood C2
(5)G101
(6)C121
(7)Engine Control Module (ECM) C1
(8)Electronic Brake Control Module (EBCM) Connector
(9)Fuse Block - Underhood C5
Figure 21:

Body Harness - Passenger Compartment


Object Number: 1524023  Size: LF
(1)C200
(2)Body Control Module (BCM) C3
(3)C314
(4)C800 (Sedan)
(5)Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector
(6)G306
(7)S360
(8)C700 (Sedan)
(9)C315
(10)S361
(11)G301
(12)S335
(13)C275
(14)C201
(15)C301
(16)Body Control Module (BCM) C1
(17)C300 (Uplevel) C303 (Base/Manual)
(18)Coax Inline
Figure 22:

Body Harness - Rear Compartment


Object Number: 1524028  Size: LF
(1)C493
(2)G402
(3)Fuse Holder 50A
(4)C401
(5)G401
(6)Center High Mounted Stop Lamp (CHMSL) Connector
(7)Rear Compartment Lid Ajar Switch
(8)C492
(9)C321 (UE1)
(10)C323 (w/o UE1)
(11)C319
(12)S401
(13)S351
(14)S352
(15)Floor Panel
(16)C305
(17)Wheel Well
(18)C320
(19)Antenna coax (Sedan Only)
Figure 23:

Rear Floor Pan Components and G403


Object Number: 1549037  Size: LF
(1)Battery
(2) Fuse Holder 50A
(3)Battery Current Sensor
(4)G403
(5)C400
(6)Spare Tire Well
Figure 24:

Rear ABS Harness


Object Number: 1524054  Size: MF
(1)Wheel Speed Sensor (WSS) - LR
(2)C305
(3)Wheel Speed Sensor (WSS) - RR
Figure 25:

HVAC Assembly Harness


Object Number: 1549144  Size: LF
(1)HVAC Box
(2)C210
(3)Blower Motor
(4)S261
Figure 26:

Fuel Injector Harness (L61)


Object Number: 1549154  Size: LF
(1)Cylinder Head
(2)S103
(3)Ignition Control Module (ICM)
(4)Intake Manifold
(5)C160