GM Service Manual Online
For 1990-2009 cars only

Column Lock Schematics


Object Number: 1820150  Size: FS
Master Electrical Component List
Steering Wheel and Column Description and Operation
Control Module References
Fuse Block Underhood Wiring Bussing
G401 (2 of 2)
Fuse Block - Right Rear - Lt Turn Signal, RIM 1, Rear Fog Lamp, Ft Pass Door Module, Htd Stg Clm, IGN 1, RIM 2 and Airbag Fuses, Rear Fog Lamp and Ign 1 Relays
Ignition Mode Switch
Fuse Block - Underhood: HUD, Front Blower, Comp Clutch, Fog Lamp, Horn Fuses, Hdlp Asher Circuit Breaker, Main Relay
Heated Steering Wheel (NR7/N31)
GM LAN - Low Speed 2 of 2
G200 (2 of 2)