GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Express - AWD 🢒 Restraints 🢒 SIR 🢒 SIR Component Views
Figure 1:

SIR Components
Object Number: 691835 Size: LF
(1)Inflatable Restraint Front End Sensor
(2)Front End Lower Tie Bar
(3)Inflatable Restraint Steering Wheel Module Coil
(4)Inflatable Restraint I/P Module
(5)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(6)Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector
(7)Inflatable Restraint Steering Wheel Module
(8)Steering Wheel
Figure 2:

Center of the I/P
Object Number: 886089 Size: MF
(1)Tow/Haul Switch
(2)Inflatable Restraint I/P Module Disable Switch (Heavy Duty)
(3)Blower Motor Switch - Auxiliary (C36)
Figure 3:

Driver Seat
Object Number: 887730 Size: MF
(1)Seat Belt Pretensioner - LF (Light Duty)
(2)Inflatable Restraint Seat Position Sensor (SPS) Connector - Left (Light Duty)
(3)C307
(4)Seat Adjuster Switch - Driver (AG1)
(5)Seat Adjuster Switch Connector - Driver (AG1)
(6)Seat Motors Connector - Driver (AG1)
(7)S304 (AG1)
(8)Seat Motor - Forward/Rearward (AG1)
(9)Seat Motor - Front Tilt (AG1)
(10)Seat Motor - Rear Tilt (AG1)
(11)Inflatable Restraint Seat Position Sensor (SPS) - Left (Light Duty)
(12)Seat Belt Switch - LF
Figure 4:

Front Passenger Seat
Object Number: 887750 Size: MF
(1)Seat Adjuster Switch - Front Passenger (AG2)
(2)Inflatable Restraint Seat Position Sensor (SPS) Connector - Right (Light Duty)
(3)C306
(4)Seat Belt Pretensioner - RF (Light Duty)
(5)Inflatable Restraint Seat Position Sensor (SPS) - Right (Light Duty)
(6)Seat Motor - Rear Tilt (AG2)
(7)Seat Motor - Front Tilt (AG2)
(8)Seat Motor - Forward/Rearward (AG2)
(9)Seat Motors Connector - Front Passenger (AG2)
(10)Seat Adjuster Switch Connector - Front Passenger (AG2)