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

Front Engine Compartment - Grounds


Object Number: 1631575  Size: LF
(1)G101
(2)G105
(3)G102
Figure 2:

Fuse Block - Underhood Connectors


Object Number: 1631572  Size: LF
(1)Fuse Block - Underhood C3
(2)Fuse Block - Underhood C4
(3)Fuse Block - Underhood Cable End Connector
(4)Fuse Block - Underhood C1
(5)Fuse Block - Underhood C2
(6)G106
(7)Wheel Well - RH
(8)Battery
(9)Battery Cable - Positive
(10)Battery Cable - Negative
Figure 3:

Engine Electrical Components


Object Number: 1631729  Size: LF
(1)G103
(2)G104
(3)Battery Cable - Positive
(4)Battery Cable - Negative
(5)Engine Harness
(6)Fuse Block - Underhood
(7)G106
(8)Battery
(9)Starter Motor
(10)Generator
(11)Fuse Block - Underhood
Figure 4:

Engine Compartment


Object Number: 1631570  Size: LF
(1)Engine Harness
(2)G103
(3)G104 (LE5)
(4)G104 (LNF)
(5)Battery Cable - Negative
(6)G106
(7)Wheel Well - Right
(8)Underhood Fuse Block Bracket
Figure 5:

Steering Column Components


Object Number: 1851802  Size: LF
(1)Theft Deterrent Module
(2)Steering Angle Sensor (JL4)
(3)Ignition Switch Assembly
(4)Ignition Lock Cylinder Control Actuator (M82)
Figure 6:

Behind Driver and Passenger Seats


Object Number: 1631567  Size: LF
(1)G300
(2)G302
(3)G304
(4)G303
(5)G301
Figure 7:

Rear Chassis Harness


Object Number: 1583567  Size: LF
(1)S405
(2)Tail/Stop and Turn Signal Lamp - Left
(3)Fuel Tank
(4)Fuel Pump and Sender Assembly
(5)Evaporative Emission (EVAP) Canister Vent Solenoid Valve
(6)S402
(7)S401
(8)G400
(9)G402
(10)C407
(11)C408
(12)Tail/Stop and Turn Signal Lamp - Right
Figure 1:

Forward Lamp Harness Routing


Object Number: 1852023  Size: LF
(1)X103
(2)X110
(3)J145
(4)J103
(5)G105
(6)G101
(7)J128
(8)J129
(9)J146
(10)J115
(11)G102
(12)X111
(13)X102
(14)J105
(15)J147
(16)J101
(17)J109
(18)J131
(19)J100
Figure 2:

Fuse Block - Underhood Connectors


Object Number: 1631572  Size: LF
(1)Fuse Block - Underhood X3
(2)Fuse Block - Underhood X4
(3)Fuse Block - Underhood Cable End Connector
(4)Fuse Block - Underhood X1
(5)Fuse Block - Underhood X2
(6)G106
(7)Wheel Well - Right Side
(8)Battery Cable - Negative
(9)Battery
(10)Battery Cable - Positive
Figure 3:

Engine Harness Splices (LNF)


Object Number: 1851833  Size: LF
(1)J116
(2)J117
(3)J106
(4)J123
(5)J107
(6)J140
(7)J108
(8)J110
(9)J102
(10)J137
(11)J141
(12)J104
(13)J126
(14)J121
Figure 4:

Engine Harness Routing 1 of 2


Object Number: 1889817  Size: LF
(1)Fuse Block - Underhood
(2)X162
(3)Engine Control Module (ECM)
(4)Engine Control Module (ECM) Bracket
(5)Splice J137
(6)Splice J142
(7)Electronic Brake Control Module (EBCM)
(8)Splice J104
(9)Engine Harness
Figure 5:

Engine Harness Routing 2 of 2 (LNF)


Object Number: 1865714  Size: LF
(1)Splice J123
(2)Splice J124
(3)Engine Harness
(4)Splice J121
(5)X100
(6)Fuse Block - Underhood
(7)G103
(8)Splice J140
(9)Splice J107
Figure 6:

Instrument Panel Body Harness Splices - Engine Compartment and Instrument Panel


Object Number: 1851852  Size: LF
(1)J135
(2)X120
(3)X122
(4)J134
(5)J221
(6)J222
(7)J210
(8)Upper Windshield Frame
(9)J203
(10)J209
(11)J207
(12)J204
(13)J208
(14)J211
(15)J212
(16)J214
(17)J240
(18)Data Link Connector (DLC)
(19)J219
(20)J220
(21)J216
Figure 7:

Instrument Panel Body Harness Splices - Rear Compartment Area


Object Number: 1851951  Size: LF
(1)J415
(2)J403
(3)J300
(4)J311
(5)J318
(6)X316
(7)J303
(8)J304
Figure 8:

Driver Door


Object Number: 1852011  Size: LF
(1)Outside Rearview Mirror - Driver (D48)
(2)Outside Rearview Mirror Connector (D48)
(3)X501
(4)X500
(5)J500
(6)J501
(7)Window Motor - Driver
(8)X505
(9)Door Lock Actuator - Driver
Figure 9:

Passenger Door


Object Number: 1851994  Size: LF
(1)Outside Rearview Mirror - Passenger (D48)
(2)Door Lock Actuator - Passenger
(3)Door Lock Switch - Passenger (AU3)
(4)Window Motor - Passenger
(5)J600
(6)Outside Rearview Mirror Connector (D48)
(7)X600
Figure 10:

Rear Fascia Harness Routing


Object Number: 1875833  Size: LF
(1)Center High Mounted Stop Lamp (CHMSL)
(2)Backup Lamp
(3)X400
(4)J421
(5)J410