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

Power, Ground, Serial Data, and MIL Control


Object Number: 1608124  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators
B+ Bus - 1 of 2
Ignition Switch - ACCY/RUN, and RUN/START Busses, and IGN B Fuses
AIRBAG and IGN E Fuses
Power, Ground, DLC and Splice Pack SP205
G203 2 of 3
Figure 2:

Indicators


Object Number: 1608125  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages
Power, Ground, and Serial Data, and MIL Control
Power, Ground, DLC and Splice Pack SP205
Left Turn Signals - w/o VD1
Right Turn Signals - w/o VD1
Right Turn Signals - w/ VD1
Left Turn Signals - w/ VD1
Figure 3:

Gages


Object Number: 1608126  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Driver Information Center
Indicators
Power, Ground, DLC and Splice Pack SP205
Engine Data Sensors - 5-Volt and Low Reference
Engine Data Sensors - 5-Volt and Low Reference
Figure 4:

Driver Information Center


Object Number: 1608127  Size: FS
Master Electrical Component List
Driver Information Center (DIC) Description and Operation
Control Module References
Gages
Instrument Panel, Gages, and Console Schematic Icons
G203 3 of 3
Front Wiper/Washer Control - 1 of 2
Power, Ground, DLC and Splice Pack SP205
G102 and G103
G203 3 of 3
I/P Dimming Supply Voltage - 2 of 8
I/P Dimming Supply Voltage - 2 of 8