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

I/P Dimming Supply - 1 of 2


Object Number: 1429921  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
I/P Dimming Supply - 2 of 2
B+ Bus - Rear Fuse Block
I/P Dimming Supply - 2 of 2
G302 - 1 of 2, G303, and G304
G302 - 1 of 2, G303, and G304
G302 - 1 of 2, G303, and G304
G302 - 2 of 2
G201 - 1 of 2
G201 - 1 of 2
Figure 2:

I/P Dimming Supply - 2 of 2


Object Number: 1429923  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Courtesy Lamp Supply - 1 of 2
I/P Dimming Supply - 1 of 2
I/P Dimming Supply - 1 of 2
Headlamp Switch
SIR Caution for Zoning
G201 - 1 of 2
G201 - 1 of 2
G201 - 2 of 2 and G305
Figure 3:

Courtesy Lamp Supply - 1 of 2


Object Number: 1429926  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Courtesy Lamp Supply - 2 of 2
I/P Dimming Supply - 2 of 2
Courtesy Lamp Supply - 2 of 2
Traction Control (NW7), and Wheel Speed and Sensors - Except W49
G201 - 1 of 2
Figure 4:

Courtesy Lamp Supply - 2 of 2


Object Number: 1429927  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Courtesy Lamp Supply - 1 of 2
SP205
Courtesy Lamp Supply - 1 of 2
SP306 - except XUV
SP306 - XUV
Power, Ground, and Subsystem References
Fog Lamps