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

Except Seat Lamps


Object Number: 1584903  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Seat Lighting Schematics
G103 - 1 of 2
G401 and G403
G401 and G403
G301 - 2 of 2
G103 - 1 of 2
G201
Figure 2:

Seat Lamps (HEG Only)


Object Number: 1720503  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Interior Lights Schematic
IGN Fuse and the Ignition Switch Circuits
Interior Lights Dimming Schematic
G301 - 2 of 2
G103 - 1 of 2