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Voltage fluctuations

Tiny
LOUISJEFFERSON
  • MEMBER
  • 2001 FORD CROWN VICTORIA
  • 4.6L
  • V8
  • AUTOMATIC
  • 190 MILES
I have checked the battery and alternator, which came out good. I changed the alternator and it was doing the same thing. I was told that it could be the alternator connection pug in which I checked it with a test light an meter an it was good. Now I don’t know what to check next.
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Monday, February 18th, 2019 AT 6:41 AM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This sounds like it could be a problem with your voltage regulator. I have included a list of symptoms related troubleshooting for you down below in the diagrams. Please go over it and get back to me with the pinpoint test that corresponds with it and I will get that pinpoint test back to you.

Thanks,
Alex
2CarPros
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Monday, February 18th, 2019 AT 10:18 AM

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