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

Module Power, Ground, Indicators, Rollover/Passenger Presence Sensors


Object Number: 1883172  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Front End Sensors, Seat Belt Pretentioners, and Front Air Bags
Figure 2:

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


Object Number: 1883173  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Side Impact Sensors and Roof Rail/Side Impact Air Bags
Module Power, Ground, Indicators, Rollover/Passenger Presence Sensors
Figure 3:

Side Impact Sensors and Roof Rail/Side Impact Air Bags


Object Number: 1883174  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Front End Sensors, Seat Belt Pretentioners, and Front Air Bags