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Vehicle Speed Sensor

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1997 GMC Savana Special, 1997 GMC Savana Camper Special, 1997 GMC Savana, 1997 Chevrolet RV Cutaway, and 1997 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Vehicle Speed Sensor (VSS) is a permanent-magnet signal generator located in transmission tailshaft housing. A toothed rotor is mounted on tailshaft. Rotor teeth revolve past VSS sensor, producing pulses which are sent to VSS buffer for processing, then to PCM, speedometer and cruise control (if equipped).

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