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No-Load Testing

  1. Connect voltmeter to battery terminals. Connect battery, jumper cables and starter load tester to starter. See Fig 1. The starter will operate without a load. Ensure no current is flowing through the ammeter and carbon pile of tester.
    Fig 1: Testing Starter No-Load
    G90J09359Courtesy of FORD MOTOR CO.
  2. Note voltmeter reading. Disconnect battery from starter. Turn carbon pile to achieve voltage obtained while starter was operating. Note ammeter reading. Replace or repair starter if current exceeds specification. See STARTER SPECIFICATIONS TABLE .