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

Cooling Fans and Relays


Object Number: 687505  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Instrument Panel Cluster (IPC) Displays
Engine Controls Schematic Icons
G103
Serial Data Class 2
Battery Feed to the Underhood Fuse Block
Figure 2:

Instrument Panel Cluster (IPC) Displays


Object Number: 687506  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans and Relays
Serial Data Class 2