SIR Schematics

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, and Serial Data Schematic

GM1245181

Courtesy of GENERAL MOTORS CORP.

Fig 2: Front End and Side Impact Sensors

GM1245185

Courtesy of GENERAL MOTORS CORP.

Fig 3: Driver Air Bag Schematic

GM1245190

Courtesy of GENERAL MOTORS CORP.

Fig 4: Passenger Air Bag Schematic

GM1245196

Courtesy of GENERAL MOTORS CORP.

Fig 5: Seat Position Switches Schematic

GM1245202

Courtesy of GENERAL MOTORS CORP.

Fig 6: Passenger Presence Schematic - 1 of 3

GM1245203

Courtesy of GENERAL MOTORS CORP.

Fig 7: Passenger Presence Schematic - 2 of 3

GM1245207

Courtesy of GENERAL MOTORS CORP.

Fig 8: Passenger Presence Schematic - 3 of 3

GM1245208

Courtesy of GENERAL MOTORS CORP.