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

Inflatable Restraint Components -- Typical


Object Number: 1514620  Size: LF
(1)Inflatable Restraint Steering Wheel Module
(2)Steering Wheel
(3)Steering Column
(4)Inflatable Restraint IP Module
(5)Inflatable Restraint IP Module Connector
(6)Inflatable Restraint Side Impact Sensor - LH (RH Similar)
(7)Inflatable Restraint Side Impact Sensor - LH Connector (RH Similar)
(8)LH "B" Pillar
(9)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(10)SDM Wiring Harness Connector -- RH (LH Similar)
(11)Inflatable Restraint Side Impact Module - LH (RH Similar)
(12)Seat Belt Retractor Pretensioner (inside B-Pillar) - LH (RH Similar)
(13)Inflatable Restraint Side Impact Module - LH Connector (RH Similar)
Figure 2:

Steering Column Disassembled View


Object Number: 1384376  Size: LF
(1)Inflatable Restraint Steering Wheel Coil
(2)Wire Harness Assembly
(3)Multifunction Switch
(4)Ignition Switch
(5)Theft Deterrent Module
(6)Ignition Key Alarm
Figure 3:

Forward Discriminating Sensors - Buick


Object Number: 831424  Size: LF
(1)Inflatable Restraint Forward Discriminating Sensor-Right
(2)Inflatable Restraint Forward Discriminating Sensor-Left