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

A/C Compressor Controls


Object Number: 1923339  Size: FS
Air Delivery Description and Operation
Sensors and Blower Motor
Figure 2:

Sensors and Blower Motor


Object Number: 1923342  Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Control Module References
Actuators
A/C Compressor Controls
Figure 3:

Actuators


Object Number: 1923344  Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Control Module References
Sensors and Blower Motor