GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Restraints 🢒 SIR 🢒 SIR Component Views
Figure 1:

Radiator Support -- SIR Components
Object Number: 349802 Size: LF
(1)Radiator Support
(1)Radiator Support
(2)Inflatable Restraint Front End Discriminating Sensor
Figure 2:

Below Driver Seat -- SIR Wiring
Object Number: 310047 Size: MF
(1)Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector
(2)Power Seat Electrical Connector
(3)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(4)Instrument Panel Harness
Figure 3:

Right Side of the I/P -- SIR Components
Object Number: 310155 Size: MF
(1)Inflatable Restraint IP Module
(2)Inflatable Restraint IP Module Connector at Module
(3)Instrument Panel Compartment Lamp
(4)Instrument Panel Compartment Lamp Connector
(5)Inflatable Restraint IP Module Connector with Tether
Figure 4:

Inflatable Restraint IP Module Switch
Object Number: 310150 Size: MF
(1)Inflatable Restraint IP Module Switch Connector
(2)Accessory Switch Housing
(3)Inflatable Restraint IP Module Switch
(4)Instrument Panel
Figure 5:

Steering Wheel
Object Number: 349778 Size: LF
(1)Inflatable Restraint Steering Wheel Module
(2)Inflatable Restraint Steering Wheel Module Connector with Tether
(2)Inflatable Restraint Steering Wheel Module Connector with Tether
(3)Inflatable Restraint Steering Wheel Module Harness
(3)Inflatable Restraint Steering Wheel Module Harness