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

Power and Ground


Object Number: 642075  Size: FS
Sensors and Actuators
Suspension Controls Component Views
Road Sensing Suspension Description and Operation
Battery Feeds
Battery Feeds
G401 (1 of 3)
Class 2 Serial Data Line (LH Drive) (2 of 2)
Automatic Level Control (Without F45)
Figure 2:

Sensors and Actuators


Object Number: 642076  Size: FS
Power and Ground
Suspension Controls Component Views
Road Sensing Suspension Description and Operation