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Home >> Geo >> 1992 >> Tracker Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Vehicle Speed Sensor
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Vehicle Speed Sensor

Vehicle speed sensor consists of a lead switch and magnet built into speedometer head. As magnet rotates with speedometer cable, its magnetic force causes lead switch to turn on and off. This on/off pulse is sent to ECM and interpreted as vehicle speed.

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