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

Power, Ground, Indicators, and Front End Sensors


Object Number: 1914150  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Modules and Pretensioners
Master Electrical Schematic Icons
Figure 2:

Modules and Pretensioners


Object Number: 1914152  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Passenger Presence System
Power, Ground, Indicators, and Front End Sensors
Master Electrical Schematic Icons
Figure 3:

Passenger Presence System (PPS)


Object Number: 1914155  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Modules and Pretensioners
Master Electrical Schematic Icons