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Hall Sender (Vanagon)

  1. Remove coil secondary and attach to ground. Disconnect hall sender wire harness connector at distributor. Using a voltmeter, measure voltage between outer terminals of connector. With ignition on, minimum voltage should be 10 volts. If not, replace control unit located under rear seat or in luggage compartment.
  2. If voltage was okay in step 1), pull back hall sender boot to expose contact terminals. Apply LED Test Light (US 1115) probe to center contact and other probe alternately to outer contacts while cranking engine. If test light blinks, hall sender is okay. If not, check wiring for short or open circuit. If wiring is okay, replace hall sender.