B3000 DS Regular Cab 2WD V6-3.0L OHV (2002)
Wheel Speed Sensor: Description and Operation
Front and Rear Axle Speed Sensors
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4WABS uses three (two front and one rear) variable-reluctance speed sensors to determine vehicle speed.
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As the teeth on the speed sensor indicator rotate past the sensor(s), a signal proportional to the speed of the rotation is generated and sent to the
control module.