SIR Schematics

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Module Power, Ground, Serial Data & Front Sensors Circuit Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Steering Wheel & I/P Module Circuit Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 3: Side Impact Modules & Sensors Circuit Schematic (ASF)

Courtesy of GENERAL MOTORS CORP.

Fig 4: Passenger Presence System Circuit Schematic - 1 Of 2

Courtesy of GENERAL MOTORS CORP.

Fig 5: Passenger Presence System Circuit Schematic - 2 Of 2

Courtesy of GENERAL MOTORS CORP.