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

Cooling Fans


Object Number: 1411473  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Coolant Level Switch
Underhood Fuse Block Battery Voltage
G104
Figure 2:

Coolant Level Switch


Object Number: 1411474  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans
Class 2 Serial Data (1 of 3)
G201 - 1 of 3