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

Cell 64: Pontiac


Object Number: 493996  Size: FS
HVAC Components
HVAC Compressor Controls Circuit Description
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Engine Controls Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
HVAC Connector End Views
Figure 2:

Cell 64: Buick


Object Number: 494000  Size: FS
HVAC Components
HVAC Compressor Controls Circuit Description
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Engine Controls Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
HVAC Connector End Views