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

Power, Ground, Roll Over Sensor, and PPS


Object Number: 1791246  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Modules and Sensors
SIR Schematic Icons
IGN 1 Relay BUS - MAF, PCM IGN, AIRBAG DISPLY and TRANS Fuses
IGN 1 Relay BUS - MAF, PCM IGN, AIRBAG DISPLY and TRANS Fuses
AOS MDL, BATT 2, HTD/SEATS, L/GATE, LT TRN/SIG, PWR MIRS, RT TRN/SIG and AIRBAGS Fuses and PWR SEATS Circuit Breaker
Seat Belt Schematics
G203, G205, G207
Low Speed GMLAN
G311
Figure 2:

Modules and Sensors


Object Number: 1791258  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Pretensioners and Front End Sensors
Power, Ground, Roll Over Sensor, and PPS
Power, Ground, Roll Over Sensor, and PPS
Low Speed GMLAN
Seat Belt Schematics
G203, G205, G207
Figure 3:

Pretensioners and Front End Sensor


Object Number: 1791260  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Modules and Sensors