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

Forward Lamp Harness Routing


Object Number: 1858133  Size: LF
(1)Front Fascia
(2)X120
(3)G102
(4)JX102
(5)Supercharger Coolant Pump Relay (LC3)
(6)X102
(7)Headlamp Module
(8)Battery Tray
(9)X186
(10)X101
(11)X168
(12)X131
(13)JX101
(14)G101
(15)X119
Figure 2:

G104


Object Number: 1858144  Size: LF
(1)Headlamp Assembly - Right Hand
(2)G104
(3)Battery Tray
Figure 3:

Engine Harness Routing 1 of 2


Object Number: 1689363  Size: LF
(1)G106
(2)Fuse Block - Underhood
(3)J105
(4)X186 Engine Harness to Forward Lamp Harness
(5)X180 Engine Harness to I/P Harness
(6)X184 Engine Harness to Transmission Harness
(7)X182 Engine Harness to I/P Harness
(8)Engine Control Module (ECM) Connectors
(9)JX106
(10)X148 Engine Harness to Knock Sensor (KS)/Crankshaft Position (CKP) Sensor Jumper Harness
(11)X188 Engine Harness to Starter Solenoid Jumper Harness
Figure 4:

Engine Harness Routing 2 of 2


Object Number: 1689364  Size: LF
(1)J238
(2)J244
(3)J195
(4)G107
(5)J193
(6)J191
(7)G105
Figure 5:

Engine Grounds


Object Number: 1858264  Size: LF
(1)Engine Assembly
(2)G107
(3)G112 (LC3)
(4)G111 (LC3)
(5)G110 (LC3)
(6)G109 (LC3)
Figure 6:

Instrument Panel Harness


Object Number: 1361208  Size: LF
(1)DLC Connector
(2)X231
(3)X311
(4)Fuse Block - Underhood X3
(5)Fuse Block - Underhood X4
(6)X220
(7)Auxiliary Power Relay
(8)JX208
(9)X180
(10)X600
(11)X602
(12)JX202
(13)G202
(14)X380
(15)X382
(16)JX302
(17)G302
(18)X482
(19)X480
(20)X455
(21)X437
(22)X433
(23)X435
(24)JX301
(25)G301
(26)X377
(27)X375
(28)X379
(29)JX201
(30)G201
(31)X501
(32)X503
Figure 7:

Transmission Harness


Object Number: 1858066  Size: LF
(1)J420
(2)X420
(3)X400
(4)X440
(5)G402
(6)X439
(7)G401