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

Power and Grounds


Object Number: 675412  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Serial Data Class 2
Battery Feed to the Fuse Block-Rear
PWR WDO and PWR SEAT Circuit Breakers (Fuse Block-Rear)
G201 (2 of 2)
G201 (1 of 2)
G201 (1 of 2)
Figure 2:

Serial Data Class 2


Object Number: 765418  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Power and Grounds
SIR Handling Caution