GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 TrailBlazer - 2WD 🢒 Restraints 🢒 SIR 🢒 SIR Component Views
Figure 1:

Inflatable Restraint Electronic Frontal Sensor
Object Number: 749689 Size: MF
(1)Frame, Front
(2)Inflatable Restraint Electronic Frontal Sensor
Figure 2:

Inflatable Restraint I/P Module
Object Number: 749694 Size: MF
(1)Inflatable Restraint I/P Module
(2)Instrument Panel
Figure 3:

Inflatable Restraint Steering Wheel Module
Object Number: 749696 Size: MF
(1)Inflatable Restraint Steering Wheel Module
(2)Steering Column
Figure 4:

Inflatable Restraint Side Impact Module-Right
Object Number: 1227975 Size: MF
(1)Inflatable Restraint Side Impact Module-Right
(2)Passenger Seat, Driver Seat Similar
(3)SIR Connector to Body Harness
Figure 5:

Inflatable Restraint Side Impact Sensor (SIS)-Right
Object Number: 749699 Size: MF
(1)Inflatable Restraint Side Impact Sensor (SIS)-Right
(2)Passenger Door-RF
Figure 6:

Inflatable Restraint Sensing and Diagnostic Module (SDM)
Object Number: 749702 Size: MF
(1)Lower Console
(2)Inflatable Restraint Sensing and Diagnostic Module (SDM)