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

Power and Communications


Object Number: 672281  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Indicators
(Powers, Grounds, and Communication)
IGN BATT 1, IGN SW BATT 2, AIR BAG, TURN LPS, RDO ACC, WIPER, PCM ACC, and IPC/BFC ACC Fuses
LH IP Junction Block BATT 2, STOP LPS, IPC/HVAC BATT, BFC BATT Fuses
Data Link Communications
G202
Data Link Communications
Data Link Communications
Figure 2:

Indicators


Object Number: 672286  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Power and Communications
G202
G102 and G104
Power and Grounds
A / C, TPS, FTP, MAP, ECT, And IAT
Powers and Grounds
Panel Dimming