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Generator On-Vehicle Tests - Load Test

  1. Switch the Battery Tester to the ammeter function.
  2. Connect the positive and negative leads of the Battery Tester to the corresponding battery terminals.
  3. Connect the current probe to the generator B+ output lead, (O) wire.
  4. With the engine running at 2000 rpm, adjust the Battery Tester load bank to determine the output of the generator; refer to CHARGING SYSTEM SYMPTOM CHART .