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

Compressor Controls


Object Number: 1701386  Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation
Control Module References
Pressure Controls
G102 and G108
RUN/CRANK Bus - AIRBAG IGN, MISC IGN, ans SEO/ALC Fuses
G102 and G108
G400
B+ Bus - 1 of 3
Figure 2:

Pressure Controls


Object Number: 1701387  Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation
Control Module References
Compressor Controls
B+ Bus - 1 of 3
AMP, ELEC RUN BOARD, ESC/ALC EXH, EXP/BRK MDL, INFO, and TREC Fuses