Automatic Transmission Controls 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: Valve Controls and Brake Switch Schematic

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Fig 2: Switch Inputs Schematic

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Fig 3: Tow/Haul and PNP Switch Inputs Schematic

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Fig 4: Vehicle Speed Signal and 4WD Low Signal Schematic

Courtesy of GENERAL MOTORS CORP.