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Charge System Warning

  1. With ignition on, battery voltage is supplied to one side of resistor in instrument cluster. Other side of resistor goes to "I" terminal of voltage regulator and instrument cluster.
  2. Voltage regulator sends a warning by grounding "I" terminal side of resistor, and display comes on instrument cluster. If voltage is more than 6 volts, no display exists at instrument cluster. If voltage is less than 2 volts, instrument cluster display will exist.
  3. If open exists in resistor, warning will be displayed. An open from instrument cluster to voltage regulator will not activate warning, and charging system will not activate.
  4. Ensure warning display comes on 15-20 seconds after ignition is turned on with engine off. Start engine. Warning should go out within 15 seconds.
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