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

Front Engine Compartment


Object Number: 2083959  Size: LF
(1)Forward Lamp Harness
(2)G101
(3)G102
(4)G104
Figure 2:

Engine Harness (LSA)


Object Number: 2178950  Size: LF
(1)G136
(2)G135
(3)G132
Figure 3:

Engine and Battery Harness Grounds (LY7)


Object Number: 2084102  Size: LF
(1)G130
(2)G
(3)G134
(4)G132
(5)G106
(6)G131
(7)G
(8)G110
Figure 4:

Engine Harness Grounds (LLT)


Object Number: 2084070  Size: LF
(1)G110
(2)G135
(3)G132
(4)G136
Figure 5:

Engine Harness and Splices (LY7/LLT/LP1)


Object Number: 1967466  Size: LF
(1)J166
(2)J162 (LLT)
(3)X104
(4)X105
(5)G131
(6)J162 (LY7/LP1)
(7)G110
Figure 6:

Engine Electrical Components


Object Number: 2014562  Size: LF
(1)Battery
(2)G405
(3)Battery Cable Positive Voltage Stud
(4)G134
(5)G106
Figure 7:

Body Harness Driver Side


Object Number: 1967694  Size: LF
(1)X201 (A45/N38)
(2)X235
(3)X203
(4)X500
(5)X200
(6)G200
(7)X220
(8)X245 (Coax)
(9)X250 (U2K) (Coax)
(10)X303
(11)X345
(12)X300
(13)G306
(14)X700
(15)JX301
Figure 8:

Body Harness Driver Rear Side and Underneath


Object Number: 1967735  Size: LF
(1)X425 (T79/UD7/UHA/UHF)
(2)X430 (UH3)
(3)X420
(4)X401 (C3U/UE1)
(5)G402
(6)X305
Figure 9:

Body Harness Passenger Side


Object Number: 1967796  Size: LF
(1)X600
(2)X260
(3)X225
(4)X270 (XA7)
(5)G201
(6)X800
(7)X307
(8)X350
(9)X312
Figure 10:

Body Harness Grounds


Object Number: 2084112  Size: LF
(1)G201
(2)G401
(3)G402
(4)G200
Figure 11:

Right Rear Compartment Area


Object Number: 2084114  Size: LF
(1)Right Rear Body Frame
(2)G405