I HAVE A 1990 CHEVY PICKUP AND WHEN I TURN MY ...

  • Tiny
  • Anonymous
  • 1990 Chevrolet Silverado
  • 126,000 miles

Hi I have a 1990 chevy pickup and when I turn my blinkers on my alternator gauge pulses with the blink and when I turn my head lights on the gauge drops and when I turn on the heater the gauge drops I replaced the battery and alternator with a power master 140 amp alternator I have no clue what it is please help

Tuesday, January 29th, 2013 AT 6:44 PM

1 Answer

  • Tiny
  • JDL
  • Expert
  • 16,290 posts

I think what your seeing is normal. I like to see voltmeter over 13 volts with everything turned on.

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Tuesday, January 29th, 2013 AT 8:49 PM

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