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

Forward Lamp Harness


Object Number: 1524052  Size: LF
(1)X121
(2)G102
(3)Fuse Block - Underhood X3
(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 - Right Front
(2)X110
(3)Fog Lamp - Right (T37)
(4) X121
(5)Fuse Block - Underhood X3
(6)G101
(7)G102
(8)X111
(9)Headlamp Assembly - Left Front
Figure 3:

Fuse Block - Underhood


Object Number: 1549068  Size: LF
(1)Fuse Block - Underhood
(2)Fuse Block Cover
(3) G101
(4)Bracket Assembly
Figure 4:

G101, G102, G109


Object Number: 1549137  Size: LF
(1)Left Front Strut Tower
(2)Upper Tie Bar
(3)G102
(4)G101
(5)G109
Figure 5:

G105


Object Number: 1546027  Size: LF
(1)Transmission Case
(2)X100
(3)G105
(4)Engine Harness
Figure 6:

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)X100
(7)G105
(8)G111
(9)X160
Figure 7:

Fuel Injector Harness Ground


Object Number: 1857116  Size: LF
(1)Fuse Block - Underhood
(2)G107
Figure 8:

Body Harness - Engine Compartment


Object Number: 1524019  Size: LF
(1)X101
(2)Windshield Wiper Module Connector
(3)Fuse Block - Underhood X4
(4)Fuse Block - Underhood X2
(5)G101
(6)X121
(7)Engine Control Module (ECM) X1
(8)Electronic Brake Control Module (EBCM) Connector
(9)Fuse Block - Underhood X5
Figure 9:

Engine Harness Routing - L61/LE5


Object Number: 1857056  Size: LF
(1)Electronic Power Steering (EPS) Harness
(2)G109
(3)Fuse Block - Underhood
(4) G103
(5)Battery Cable Harness
(6)X100 MNS-MXO
(7)G105
(8)G111
(9)X160
Figure 10:

Engine Harness Routing 1 of 2 (LE5)


Object Number: 1739121  Size: LF
(1)J100
(2)X101
(3)J101
(4)Automatic Transmission (MN5)
(5)X100
(6)G105
(7)G109
(8)X160
(9)Fuel Injector Harness
(10)Engine Harness
Figure 11:

Engine Harness Routing 2 of 2 (LE5)


Object Number: 1739127  Size: LF
(1)Engine
(2)Park Neutral Position (PNP) Switch
(3)Automatic Transmission
(4)G107
Figure 12:

Fuel Injector Harness (L61)


Object Number: 1549154  Size: LF
(1)Cylinder Head
(2)J103
(3)Ignition Control Module (ICM)
(4)Intake Manifold
(5)X160
Figure 13:

Near the Front Strut Towers


Object Number: 1749972  Size: LF
(1)X170 Body Harness to Front Wheel Speed Harness
(2)Right Front Wheel Speed Harness
(3)X171 Body Harness to Front Wheel Speed Harness
(4)Left Front Strut
Figure 14:

I/P Support -- G201 and G203


Object Number: 1543933  Size: LF
(1)Air Outlet -- Driver
(2)I/P Tie Bracket
(3)Air Outlet -- Passenger
(4)I/P Carrier Trim
(5)G203
(6)G201
Figure 15:

Instrument Panel Harness


Object Number: 2034603  Size: LF
(1)X210
(2)X200
(3)G203
(4) G201
(5)J233
(6)X275
(7)JX200
(8)X201
(9)Radio Antenna Coax
Figure 16:

X200, X202 and X600


Object Number: 1850435  Size: LF
(1)Instrument Panel
(2)X200
(3)X202
(4) X600
Figure 17:

HVAC Assembly Harness


Object Number: 1549144  Size: LF
(1)HVAC Box
(2)X210
(3)Blower Motor
(4)J261
Figure 18:

Body Harness Components - Passenger Compartment


Object Number: 1850416  Size: LF
(1)X316 (AOS)
(2)X314 (KA1)
(3)Inflatable Restraint Roof Rail Module - Right (ASF)
(4) X320 (ASF)
(5)Rear Decklid
(6)X319 (ASF)
(7)Inflatable Restraint Roof Rail Module - Left (ASF)
Figure 19:

Left Front Door - Sedan


Object Number: 1524041  Size: LF
(1)Door Frame
(2)J200
(3)X500
(4)Speaker Connector
(5)Door Latch Connector
(6)Left Door Latch
Figure 20:

Left Front Door - Coupe


Object Number: 1524037  Size: LF
(1)Door Frame
(2)J200
(3)X500
(4)Speaker Connector
(5)Window Motor Connector
(6)Inflatable Restraint Side Impact Sensor (SIS) Connector
Figure 21:

Passenger Door (Base)


Object Number: 1739274  Size: LF
(1)Passenger Door
(2)X600 (Base)
Figure 22:

Right Front Door - Sedan


Object Number: 1524045  Size: LF
(1)Door Frame
(2)Door Latch Connector
(3)Speaker Connector
(4)X600
Figure 23:

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)X600
Figure 24:

Left Rear Door - Sedan


Object Number: 1524047  Size: LF
(1)Door Frame
(2)Door Latch Connector
(3)Window Motor Connector
(4)X700
Figure 25:

Right Rear Door - Sedan


Object Number: 1524048  Size: LF
(1)Door Frame
(2)X800
(3)Window Motor Connector
(4)Door Latch Connector
Figure 26:

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)X315 (KA1)
(6)Heated Seat Module - Driver (KA1)
Figure 27:

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)X314 (KA1)
(5)Heated Seat Element - Passenger Cushion (KA1)
Figure 28:

Passenger Seat (AOS)


Object Number: 1856806  Size: LF
(1)Seat Belt Switch
(2)Inflatable Restraint Front Passenger Presence System (PPS) Sensor
(3)X316
Figure 29:

Headliner Harness (CF5)


Object Number: 1524013  Size: LF
(1)Headliner
(2)X304 (Coax)
(3)X321 (UE1)
(4)X302
(5)Cellular Micophone Connector (UE1)
(6)Inside Rearview Mirror (ISRVM) Connector
(7)Sunroof Switch Connector (CF5)
Figure 30:

Headliner Harness (without CF5)


Object Number: 1524018  Size: LF
(1)Headliner
(2)Dome Lamp
(3)X323
(4)J300
(5)Inside Rearview Mirror (ISRVM) Connector
Figure 31:

Body Harness - Passenger Compartment


Object Number: 1524023  Size: LF
(1)X200
(2)Body Control Module (BCM) X3
(3)X314
(4)X800 (Sedan)
(5)Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector
(6)G306
(7)J360
(8)X700 (Sedan)
(9)X315
(10)J361
(11)G301
(12)J335
(13)X275
(14)X201
(15)X301
(16)Body Control Module (BCM) X1
(17)X600
(18)X304
Figure 32:

Body Harness - Rear Compartment


Object Number: 1524028  Size: LF
(1)X493
(2)G402 (Coupe)
(3)Fuse Holder 50A
(4)X401
(5)G401
(6)Center High Mounted Stop Lamp (CHMSL) Connector
(7)Rear Compartment Lid Ajar Switch
(8)X492
(9)X321 (UE1)
(10)X323 (- UE1)
(11)X319
(12)J401
(13)J351
(14)J352
(15)Floor Panel
(16)X305
(17)Wheel Well
(18)X320
(19)Coax
Figure 33:

Rear Floor Pan Components and G403


Object Number: 1549037  Size: LF
(1)Battery
(2) Fuse Holder 50A
(3)Battery Current Sensor
(4)G403
(5)X400
(6)Spare Tire Well
Figure 34:

Rear ABS Harness


Object Number: 1524054  Size: MF
(1)Wheel Speed Sensor (WSS) - Left Rear
(2)X305
(3)Wheel Speed Sensor (WSS) - Right Rear
Figure 35:

Rear Fascia (G5)


Object Number: 1850375  Size: LF
(1)X497
(2)X496
(3)X492
(4)J401
(5)X494
(6)J402
(7)X495
(8)X493