GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Classic 🢒 Brakes 🢒 Antilock Brake System 🢒 SIR Component Views
Figure 1:

Inflatable Restraint Modules
Object Number: 373039 Size: LF
(1)Inflatable Restraint Steering Wheel Driver Inflator Module
(2)Inflatable Restraint IP Module Passenger Inflator Module
(3)Inflatable Restraint Sensing and Diagnostic Module (SDM)
Figure 2:

Steering Wheel Assembly
Object Number: 1332651 Size: LF
(1)Inflatable Restraint Steering Wheel Module
(2)Horn Connectors
(3)Cruise Control Switches
(4)Inflatable Restraint Steering Wheel Module with Horn Switch
Figure 3:

SIR Coil Assembly
Object Number: 385912 Size: LF
(1)Inflatable Restraint Steering Wheel Module Coil
(2)Steering Column Assembly