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

Power, Ground, and Driver Information Center Switch


Object Number: 1906979  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators
RUN/CRANK Bus - AUX HVAC - IGN and HVAC - IGN Fuses
ECM-BATT, HEADLAMP WASH, HVAC BATT, IPC, LTR, S/ROOF, and TCM-BATT Fuses
G102, G104, and G108
G201
Passenger Presence System
G200 - 1 of 2
Figure 2:

Indicators


Object Number: 1906986  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages
Power, Ground, and Driver Information Center Switch
Hydraulic Brake Schematics
G100
G103, G110 and G111
Figure 3:

Gages


Object Number: 1906990  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators
Data Communication Schematics