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

Power, Ground, Serial Data, and MIL


Object Number: 1594212  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages
Underhood Fuse Block
ACCY/RUN, RUN/START, Bus Bars, and IGN B Fuse
BCK/UP, BTSI, IGN E, TBC IGN1, and TRLR BCK/UP Fuses
BCK/UP, BTSI, IGN E, TBC IGN1, and TRLR BCK/UP Fuses
G102
SP205
Wiper/Washer Switch and Washer Fluid Level Switch
Module Power, Ground, Serial Data, and MIL
Module Power, Ground, Serial Data, and MIL
Module Power, Ground, Serial Data, and MIL
Figure 2:

Gages


Object Number: 1594214  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and DIC Controls
Power, Ground, Serial Data, and MIL
SP205
Figure 3:

Indicators and DIC Controls


Object Number: 1594215  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Fuel Gage
Gages
Left Turn Signals
Right Turn Signals
SP205
G201 - 1 of 2
I/P Dimming Supply - 2 of 2
G201 - 1 of 2
I/P Dimming Supply - 2 of 2
Figure 4:

Fuel Gage


Object Number: 1594217  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and DIC Controls
Fuel Controls - EVAP Controls
Fuel Controls - EVAP Controls
SP205