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

I/P Dimming Supply 1 of 2


Object Number: 1594335  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
I/P Dimming Supply - 2 of 2
AUX PWR 1, RR HVAC, SUNROOF, TBC 2, TBC 3, TBC 4, TBC 5, and TCM CNSTR Fuses
I/P Dimming Supply - 2 of 2
G302 - 1 of 2, G303, and G304
G302 - 1 of 2, G303, and G304
G302 - 2 of 2
G201 - 1 of 2
Figure 2:

I/P Dimming Supply 2 of 2


Object Number: 1594337  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Courtesy Lamp Supply
I/P Dimming Supply 1 of 2
I/P Dimming Supply 1 of 2
Headlamp Switch
Lighting Systems Schematic Icons
G201 - 1 of 2
G201 - 1 of 2
G201 - 2 of 2, and G305
Figure 3:

Courtesy Lamp Supply


Object Number: 1594339  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
I/P Dimming Supply - 2 of 2
SP205
SP306
Powr, Ground, and Subsystem References
Fog Lights Schematics
Fog Lights Schematics