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

Power, Ground, and Side Impact Sensors


Object Number: 561911  Size: FS
SIR Components
SIR System Component Description and Definitions
SDM and Frontal Inflator Modules
Handling ESD Sensitive Parts Notice
SIR Handling Caution
IGN 1 Relay and SIR, Vent SOL, IGN 1 Fuses
Data Link Connector Schematics
Seat Belt Schematics
Figure 2:

SDM and Frontal Inflator Modules


Object Number: 561914  Size: FS
SIR Components
SIR System Component Description and Definitions
SDM and Side Impact Inflator Modules with Pretensioners
Power, Ground, and Side Impact Sensors
Handling ESD Sensitive Parts Notice
SIR Handling Caution
SIR Schematic Icons
SIR Schematic Icons
Figure 3:

SDM and Side Impact Inflator Modules with Pretensioners


Object Number: 489036  Size: FS
SIR Components
SIR System Component Description and Definitions
SDM and Frontal Inflator Modules
Handling ESD Sensitive Parts Notice
SIR Handling Caution
SIR Schematic Icons
SIR Schematic Icons