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

Cooling Fans


Object Number: 627763  Size: FS
Master Electrical Component List
03 B Van Engine Cooling Schematics (Indicators, Sensors)
Ground G100 - Buick
Ground G100 - Buick
Fuse Block - Underhood Buss
Figure 2:

Indicators, Sensors


Object Number: 628062  Size: FS
Master Electrical Component List
03 B Van Engine Cooling Schematics (Cooling Fans)
Data Link Connector (DLC) Schematics