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Voltmeter on dash reads no charge...but

Discussion in 'The Garage' started by ibradley77, Dec 28, 2005.

  1. ibradley77

    ibradley77 Newbie

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    My gauge on dash is showing no charge on my 77 chevy cheyene. But when I rev engine, the lights go brighter like the alternator is putting out a charge. Could it be an ext voltage regulator prob?...Noticed right before it happened, my gauge would either be at 0 charge, or peged on full charge, just below the red.
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    Voltage regulator isn't external on your truck.

    Put a voltmeter to the battery while it's running and see what the voltage is. 13V+ you are fine, 12V+ with a full load at idle isn't too bad.
     

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