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

Dome/Reading Lamps


Object Number: 797671  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Panel Lamp Switches
Ignition Switch, OFF/RUN/START, RUN/START, and START Bus Bars
Underhood Fuse Block, LIGHTING and HVAC Fuses, I/P Fuse Block, and COURTESY, PARK, ILLUM, RH PARK LP, and LH PARK LP Fuses/Circuit Breakers
Underhood Fuse Block, LIGHTING and HVAC Fuses, I/P Fuse Block, and COURTESY, PARK, ILLUM, RH PARK LP, and LH PARK LP Fuses/Circuit Breakers
I/P Fuse Block, R-RR TRUCK, L-RR TRUCK, GAGES, and SIR Fuses/Circuit Breaker
Interior Dimming Lamps System
Park Lamps, Roof Marker Lamps
Interior Dimming Lamps System
G101 - 1 of 2
Audible Warning
Audible Warning
G102 - 1 of 2
G102 - 1 of 2
G102 - 1 of 2
G102 - 1 of 2
Figure 2:

Panel Lamp Switches


Object Number: 797674  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Panel, Door Switches
Dome Reading Lamps
Underhood Fuse Block, LIGHTING and HVAC Fuses, I/P Fuse Block, and COURTESY, PARK, ILLUM, RH PARK LP, and LH PARK LP Fuses/Circuit Breakers
Underhood Fuse Block, LIGHTING and HVAC Fuses, I/P Fuse Block, and COURTESY, PARK, ILLUM, RH PARK LP, and LH PARK LP Fuses/Circuit Breakers
Panel, Door Switches
Panel, Door Switches
G101 - 1 of 2
G101 - 1 of 2
G101 - 1 of 2
G101 - 1 of 2
G101 - 1 of 2
G101 - 1 of 2
G101 - 1 of 2
G101 - 1 of 2
G101 - 1 of 2
G101 - 1 of 2
Figure 3:

Panel, Door Switches


Object Number: 797679  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Panel Lamp Switches
Panel Lamp Switches
Panel Lamp Switches
G101 - 1 of 2
G102 - 1 of 2
G102 - 1 of 2
G102 - 1 of 2
G102 - 1 of 2
G102 - 1 of 2
G102 - 1 of 2