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

Blower Controls


Object Number: 1959616  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Compressor Controls
B+ Bus
Ignition Switch
Fuse Block - I/P F8, F9, F15, F22, F23 Fuses
Fuse Block - I/P F4, F13, F21 Fuses
Fuse Block - I/P F8, F9, F15, F22, F23 Fuses
G202, 1 of 2
G202, 1 of 2
G203, G204
Figure 2:

Compressor Controls


Object Number: 1959619  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Air Delivery Controls
Blower Controls
B+ Bus
B+ Bus
Fuel Controls - EVAP Controls
G102
Figure 3:

Air Delivery Controls


Object Number: 1959622  Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Control Module References
Compressor Controls
Ignition Switch
Fuse Block - I/P F4, F13, F21 Fuses
Fuse Block - I/P F4, F13, F21 Fuses
G203, G204