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

Power, Gound, Serial Data, Indicator, and Side Impact Sensor


Object Number: 2082109  Size: FS
Figure 2:

Front Sensors amd Modules


Object Number: 2082112  Size: FS
Figure 3:

Seat Position Sensors, Rollover Sensor, and PPS Module


Object Number: 2082114  Size: FS
Figure 4:

PPS Sensors and Indicators


Object Number: 2082117  Size: FS