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

Forward Lamp Harness


Object Number: 1848578  Size: LF
(1)J122
(2)J120
(3)Fuse Block - Underhood X1
(4)G102
(5)X120
(6)G103
(7)X151
(8)X107 (W49 or WDA)
(9)X108 (W49 or WDA)
(10)X150
Figure 2:

Engine Compartment Harness (LLT)


Object Number: 2125678  Size: LF
(1)G115
(2)G114
(3)G110
(4)G112
Figure 3:

Front of the Transmission


Object Number: 1867860  Size: LF
(1)Engine
(2)Automatic Transmission
(3)G113
Figure 4:

Near the Brake Booster


Object Number: 1863194  Size: LF
(1)Brake Fluid Level Switch
(2)Left Fender
(3)G103
(4)G101
(5)G115
(6)G105
(7)Electronic Brake Control Module (EBCM)
(8)Brake Booster Vacuum Sensor
Figure 5:

I/P Harness - Engine Compartment


Object Number: 1848563  Size: LF
(1)Dash Panel
(2)X109 (XA7)
(3)X111
(4)G105
Figure 6:

Near the Battery


Object Number: 1848558  Size: LF
(1)Floor Panel
(2)G305
(3)Battery Current Sensor
(4)X324
(5)Inline Fuse Onstar (UE1)
(6)X325 (UE1)
Figure 7:

Body Harness - Left Rear Passenger Compartment


Object Number: 1848572  Size: LF
(1)G401
(2)Radio Antenna X1
(3)Inflatable Restraint Roof Rail Module - Driver Connector
(4)JX405
(5)X405
Figure 8:

Body Harness - Right Rear Passenger Compartment


Object Number: 1848573  Size: LF
(1)G402
(2)X351
(3)Inflatable Restraint Roof Rail Module - Passenger Connector
(4)Radio Antenna X2
(5)Radio Antenna X1
(6)X320 (DNP or UD7 or UE1)
(7)X322
Figure 9:

Body Harness - Front Passenger Compartment


Object Number: 1848564  Size: LF
(1)X202
(2)J317
(3)X340
(4)X200
(5)Fuse Block - I/P X1
(6)X600
(7)Inflatable Restraint I/P Module - Connector
(8)G300
(9)X314
(10)Inflatable Restraint Side Impact Module - Right Connector
(11)J308
(12)J304
(13)X800
(14)G302
(15)X324
(16)J322
(17)J302
(18)G304
(19)J311
(20)X305
(21)J313
(22)G303
(23)X700
(24)J335
(25)J333
(26)J319
(27)Inflatable Restraint Side Impact Module - Left Connector
(28)X315
(29)G301
(30)X500
(31)X209 (V92)
(32)JX205