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Car is jumping amps

Tiny
PHILLIPOVERBEY
  • MEMBER
  • 1988 CHEVROLET CELEBRITY
  • 35,000 MILES
We have a 1988 chevy celebrity. 2.5L engine. We were out today and our amps jumped to 18. At first it was like all the gauges had went out. Then the amps jumped and unless we were idle or going under 25, they stayed the same. There was a slight jerking there for a min, but it subsided. The lights would dim when you would take your foot off the gas, the dash and headlights. We have replaced the alternator twice already this year. Please help. Yes this car only has that many miles. We are the second owners, the first was an elderly lady that didn't do much driving.
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Sunday, July 29th, 2012 AT 6:29 AM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
I believe you are refering to the voltage. That would be a fault with the voltage regulator. Was symptoms similar before replacement of the alternator?
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Sunday, July 29th, 2012 AT 9:42 AM
Tiny
PHILLIPOVERBEY
  • MEMBER
  • 2 POSTS
Yes. The only difference was the volts were going down instead.
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Sunday, July 29th, 2012 AT 5:53 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
The alternator is bad again.
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Sunday, July 29th, 2012 AT 6:31 PM

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