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

SIR Components


Object Number: 1464479  Size: MF
(1)Inflatable Restraint Roof Rail Module - Left (ASF)
(2)Fuse Block - I/P
(3)Inflatable Restraint I/P Module
(4)Inflatable Restraint Roof Rail Module - Right (ASF)
(5)Inflatable Restraint Roof Rail Module - Right Disable Connector (ASF)
(6)Inflatable Restraint Roof Rail Module - Left Disable Connector (ASF)
(7)Inflatable Restraint Side Impact Sensor (SIS) - Right (ASF)
(8)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(9)Inflatable Restraint Side Impact Sensor (SIS) - Left (ASF)
(10)Inflatable Restraint Steering Wheel Module
(11)Inflatable Restraint Front End Sensor
Figure 2:

Steering Wheel Components


Object Number: 1485895  Size: MF
(1)Horn Switch Contacts
(2)Inflatable Restraint Steering Wheel Module C1
(3)Steering Wheel Control Switch - Right (w/ UK3/K34 shown, w/K34 Only Similar)
(4)Inflatable Restraint Steering Wheel Module C2
(5)C277
(6)Steering Wheel Control Switch - Left (w/ UK3/K34 shown, w/K34 Only Similar)
Figure 3:

Seat Belt Pretensioner


Object Number: 1693490  Size: MF
(1)Seat Belt Pretenstioner - Left (Right side similar)