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

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 2:

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 3:

Behind Driver and Passenger Seats


Object Number: 1631567  Size: LF
(1)G305
(2)G302
(3)G304
(4)G303
(5)G301
Figure 4:

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 5:

Front Engine Compartment - Grounds


Object Number: 1631575  Size: LF
(1)G101
(2)G105
(3)G102
Figure 6:

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 7:

Steering Column Components


Object Number: 1631771  Size: LF
(1)Inflatable Restraint Steering Wheel Module
(2)Turn Signal/Multifunction Switch C2
(3)Turn Signal/Multifunction Switch C1
(4)Inflatable Restraint Steering Wheel Module Coil C3
(5)Inflatable Restraint Steering Wheel Module Coil C2
(6)Ignition Switch
(7)Windshield Wiper/Washer Switch Connector
(8)Windshield Wiper/Washer Switch