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

Power, Ground, and Side Impact Sensors


Object Number: 642099  Size: FS
SDM and Frontal Inflator Modules
SIR Component Views
SIR Caution
SIR System Description and Operation
Battery Feeds
Class 2 Serial Data Line (LH Drive) (2 of 2)
Fasten Seat Belt Indicator and Switch
Figure 2:

SDM and Frontal Inflator Modules


Object Number: 642101  Size: FS
Power, Ground, and Side Impact Sensors
SDM and Side Impact Inflator Modules with Pretensioners
SIR Component Views
SIR Caution
SIR System Description and Operation
Figure 3:

SDM and Side Impact Inflator Modules with Pretensioners


Object Number: 642104  Size: FS
SDM and Frontal Inflator Modules
SIR Component Views
SIR System Description and Operation
SIR Caution