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

IP Dimmer Switch


Object Number: 679749  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Instrument Panel Lamps
Power, Ground, and References
B+ Bus Bar and COOL FAN 2 GROUND (V6) Fuse
Power, Ground, and Antenna
License Lamps
Instrument Panel Lamps
Dome Lamps
ETS Off Switch
G202
Instrument Panel Lamps
Figure 2:

Instrument Panel Lamps


Object Number: 679752  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Pontiac Door Switches
IP Dimmer Switch
Hazard Switch
Oldsmobile Door Switches
Pontiac Door Switches
IP Dimmer Switch
IP Dimmer Switch
G202
Data Link Connector Schematics
Hazard Switch
G201
G203
Figure 3:

Pontiac Door Switches


Object Number: 679755  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Oldsmobile Door Switches
Instrument Panel Lamps
G302
G302
G301
G302
G302
Instrument Panel Lamps
G302
G302
Figure 4:

Oldsmobile Door Switches


Object Number: 679763  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Pontiac Door Switches
G302
G302
G302
G301
G302
G302
G301
Instrument Panel Lamps