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Voltmeter Display High Or Low

  1. Disconnect generator connector C1 (Red wire). Check voltage at harness connector C1. If battery voltage exists, go to step  3 . If battery voltage does not exist, go to next step.
  2. Locate and repair poor connection or open in Red wire between battery and starter and/or starter and generator. See WIRING DIAGRAMS  . Go to next step.
  3. Reconnect generator connector. Start engine and run at fast idle. Turn off accessories. Check voltage at battery terminals. If voltage is 12.5-14.5 volts, go to step  5 . If voltage is not 12.5-14.5 volts, go to next step.
  4. Replace generator. See REMOVAL & INSTALLATION  . Go to step  6 .
  5. Load test generator. Replace generator as needed. If generator is okay, replace battery. Go to next step.
  6. Reconnect all connectors and recheck system. If system is not operating properly, go to step  1 .
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