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Speed Sensor

  1. Disconnect speed sensor. Using jumper wires, connect battery positive lead to speed sensor terminal No. 1 and negative lead to terminal No. 2. See Fig 1. Connect voltmeter positive lead to speed sensor terminal No. 3 and negative lead to terminal No. 2. Rotate speed sensor shaft.
  2. Voltage should change from 0-11 volts between speed sensor terminals No. 2 and 3. Voltage should change 4 times for each complete revolution of the speed sensor shaft. If voltage is not as specified, replace speed sensor.
Fig 1: Testing Speed Sensor
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