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:

Forward Lamp Harness Routing


Object Number: 1857054  Size: LF
(1)Headlamp Assembly - RH
(2)C110
(3)Fog Lamp - Right (T37)
(4) C121
(5)Fuse Block - Underhood C3
(6)G101
(7)G102
(8)C111
(9)Headlamp Assembly - LH
Figure 3:

Engine Harness Routing - L61


Object Number: 1857056  Size: LF
(1)Electronic Power Steering (EPS) Harness
(2)G109
(3)Fuse Block - Underhood
(4) G103
(5)Battery Cable Harness
(6)C100
(7)G105
(8)G111
(9)C160
Figure 4:

Engine Harness Routing 1 of 2 (LE5)


Object Number: 1739121  Size: LF
(1)S100
(2)C101
(3)S101
(4)Automatic Transmission (MN5)
(5)C100
(6)G105
(7)G109
(8)C160
(9)Fuel Injector Harness
(10)Engine Harness
Figure 5:

Engine Harness Routing 2 of 2 (LE5)


Object Number: 1739127  Size: LF
(1)Engine LE5
(2)Park Neutral Position (PNP) Switch
(3)Automatic Transmission (LE5)
(4)G107
Figure 6:

Engine Harness Routing - LSJ


Object Number: 1850441  Size: LF
(1)C161
(2)C164
(3)C162
(4) C102
Figure 7:

Fuel Injector Harness (L61)


Object Number: 1549154  Size: LF
(1)Cylinder Head
(2)S103
(3)Ignition Control Module (ICM)
(4)Intake Manifold
(5)C160
Figure 8:

Near the Front Strut Towers


Object Number: 1749972  Size: LF
(1)C170 Body Harness to Front Wheel Speed Harness
(2)RF Wheel Speed Harness
(3)C171 Body Harness to Front Wheel Speed Harness
(4)Left Front Strut
Figure 9:

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)I/P Harness
(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 10:

C200, C202 and C300


Object Number: 1850435  Size: LF
(1)Instrument Panel
(2)C200
(3)C202
(4) C300
Figure 11:

HVAC Assembly Harness


Object Number: 1549144  Size: LF
(1)HVAC Box
(2)C210
(3)Blower Motor
(4)S261
Figure 12:

Body Harness Components - Passenger Compartment


Object Number: 1850416  Size: LF
(1)C316 (AOS)
(2)C314 (KA1)
(3)Inflatable Restraint Roof Rail Module - Right (ASF)
(4) C320 (ASF)
(5)Rear Decklid
(6)C319 (ASF)
(7)Inflatable Restraint Roof Rail Module - Left (ASF)
Figure 13:

Left Front Door - Sedan


Object Number: 1524041  Size: LF
(1)Door Frame
(2)S200
(3)C500
(4)Speaker Connector
(5)Door Latch Connector
(6)Left Door Latch
Figure 14:

Left Front Door - Coupe


Object Number: 1524037  Size: LF
(1)Door Frame
(2)S200
(3)C500
(4)Speaker Connector
(5)Window Motor Connector
(6)Inflatable Restraint Side Impact Sensor (SIS) Connector
Figure 15:

Passenger Door (Base)


Object Number: 1739274  Size: LF
(1)Passenger Door
(2)C600 (Base)
Figure 16:

Right Front Door - Sedan


Object Number: 1524045  Size: LF
(1)Door Frame
(2)Door Latch Connector
(3)Speaker Connector
(4)C600
Figure 17:

Right Front 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)C600
Figure 18:

LR Door - Sedan


Object Number: 1524047  Size: LF
(1)Door Frame
(2)Door Latch Connector
(3)Window Motor Connector
(4)C700
Figure 19:

RR Door - Sedan


Object Number: 1524048  Size: LF
(1)Door Frame
(2)C800
(3)Window Motor Connector
(4)Door Latch Connector
Figure 20:

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 21:

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 22:

Passenger Seat (AOS)


Object Number: 1856806  Size: LF
(1)Seat Belt Switch
(2)Inflatable Restraint Front Passenger Presence System (PPS) Sensor
(3)C316 (AOS)
Figure 23:

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 24:

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 25:

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 26:

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)C600
(18)C204
Figure 27:

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)C304
Figure 28:

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 29:

Rear ABS Harness


Object Number: 1524054  Size: MF
(1)Wheel Speed Sensor (WSS) - LR
(2)C305
(3)Wheel Speed Sensor (WSS) - RR
Figure 30:

Rear Fascia (Pursuit/G5)


Object Number: 1850375  Size: LF
(1)C497
(2)C496
(3)C492
(4)S401
(5)C494
(6) S402
(7)C495
(8)C493