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Generator On-Vehicle Tests - Load Test

  1. Switch the tester to the ammeter function.
  2. Connect the positive and negative leads of the tester to the corresponding battery terminals.
  3. Connect the current probe to the generator B+ output terminal, circuit 30-BA6 (RD).
  4. With the engine running at approximately 2,000 rpm, adjust the tester load bank to determine the output of the generator. The generator output should be greater than in the applicable graph shown below. If not, refer back to the pinpoint test or GO to SYMPTOM CHART .

    2.0L and 2.3L 

    Fig 1: Generator Output Graph (2.0L & 2.3L)
    G04654018Courtesy of FORD MOTOR CO.

    2.0L PZEV 

    Fig 2: Generator Output Graph (2.0L PZEV)
    G04654019Courtesy of FORD MOTOR CO.
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