Automatic Transmission Controls Schematics (Notchback)

Fig 1: Transmission Control Module (TCM) Power and Ground Distribution, Serial Data and Shift Program Switch

Courtesy of GENERAL MOTORS CORP.

Fig 2: Pressure, TCC, Shift, Timing Solenoid Valves and TFT Sensor

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Fig 3: Vehicle and Input Shaft Speed Sensors

Courtesy of GENERAL MOTORS CORP.

Fig 4: Park Neutral Position (PNP)

Courtesy of GENERAL MOTORS CORP.