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Home >> GMC >> 1994 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Operation >> Vehicle Speed Sensor

Vehicle Speed Sensor

Vehicle Speed Sensor (VSS) is a permanent magnet signal generator, located in transmission tailshaft housing. A toothed rotor on tailshaft rotates near VSS sensor, producing voltage pulses which are sent to VSS buffer.