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

Indicator and Lamp Control


Object Number: 629309  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Dimming, Lamps, and Relays
Cigar Lighter/Auxiliary Outlets Schematics-Buick
Ground G201 Schematics
Ground G202 Schematics
Ground G202 Schematics
Fog Lights Schematics
Figure 2:

Lamps -Pontiac


Object Number: 828426  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Indicator, Lamp Control
Ground G100 Schematics
Fuse Block-Underhood Fuses: 42, 17, 15, 18, 23 and 14 Fuse Block-Center Console Fuses: HTD MIRR and RR DEF
Ground G202 Schematics
Ground G101 Schematics
Figure 3:

Lamps-Buick


Object Number: 868736  Size: FS