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

I/P Dimming Supply - 1 of 2


Object Number: 1350229  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
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
G201 - 1 of 2
Figure 2:

I/P Dimming Supply - 2 of 2


Object Number: 1350231  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
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, G305, and G306
Figure 3:

Courtesy Lamp Supply - 1 of 2


Object Number: 1350233  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Courtesy Lamp Supply - 2 of 2
I/P Dimming Supply - 2 of 2
Courtesy Lamp Supply - 2 of 2
Wheel Speed Sensors and Traction Control Switch - NW7
G201 - 1 of 2
Figure 4:

Courtesy Lamp Supply - 2 of 2


Object Number: 1350234  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Courtesy Lamp Supply - 1 of 2
Power, Ground, Data Link Connector, and SP205
Courtesy Lamp Supply - 1 of 2
SP306
Power, Ground, and Subsystem References