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

Module Power, Ground, and Indicators


Object Number: 2155310  Size: FS
Figure 2:

Front End Sensors, Seat Belt Pretensioner, and Front Air Bags


Object Number: 2155313  Size: FS
Figure 3:

Seat Position/Side Impact Sensors and Roof Rail/Side Impact Air Bags


Object Number: 2155320  Size: FS