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

Power, Ground, Serial Data, and MIL


Object Number: 1413233  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages
B+ Bus - Underhood Fuse Block
Ignition Switch - ACCY/RUN and RUN/START Bus Bars, IGN B Fuse
BACK UP, BTSI, IGNE, TBC IGN1, and TRLR B/U Fuses
BACK UP, BTSI, IGNE, TBC IGN1, and TRLR B/U Fuses
SP205
Wiper/Washer Switch and Washer Fluid Level Switch
Module Power, Ground, Serial Data, and MIL
Module Power, Ground, Serial Data, and MIL
G102
Figure 2:

Gages


Object Number: 1413234  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: 1413236  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Fuel Gage
Gages
Left Turn Signals
Right Turn Signals
SP205
SIR Caution for Zoning
I/P Dimming Supply - 2 of 2
G201 - 1 of 2
I/P Dimming Supply - 2 of 2
G201 - 1 of 2
Figure 4:

Fuel Gage


Object Number: 1413241  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and DIC Controls
Fuel Controls - EVAP Controls
SP205