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

SIR (North America Vehicles)


Object Number: 1670499  Size: LF
(1)Inflatable Restraint Steering Wheel Module Coil
(2)Inflatable Restraint Steering Wheel Module
(3)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(4)Inflatable Restraint I/P Module
(5)Occupant Classification (OC) Sensor
(6)Inflatable Restraint Side Impact Sensor (SIS) - Driver, Passenger
(7)Side Airbag Module
(8)Inflatable Restraint Front End Discriminating Sensor - Right or Left
Figure 2:

SIR (Except North America Vehicles)


Object Number: 1670498  Size: LF
(1)Inflatable Restraint Steering Wheel Module Coil
(2)Inflatable Restraint Steering Wheel Module
(3)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(4)Inflatable Restraint I/P Module
(5)Inflatable Restraint Side Impact Sensor (SIS) - Driver, Passenger
(6)Side Airbag Module
Figure 3:

Seat Belt Switch, Seat Belt Pretensioner - Driver and Passenger


Object Number: 1480999  Size: MF
(1)Seat Belt Switch
(2)Seat Belt Pretensioner - Driver and Passenger