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

Heater AC Control W/CJ2


Object Number: 401438  Size: FS
HVAC Components
HVAC Compressor Controls Circuit Description
Compressor Control W/CJ2
IGN3 and ABS Fuses (Rear Fuse Block)
IGN3 and ABS Fuses (Rear Fuse Block)
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Instrument Panel and Console Dimming
Serial Data Class 2
G200 (1 of 2)
G200 (2 of 2)
Figure 2:

Compressor Control W/CJ2


Object Number: 401439  Size: FS
HVAC Components
HVAC Compressor Controls Circuit Description
Heater AC Control W/CJ2
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Serial Data Class 2
Sensors
Sensors
G100 and G102