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Another electrical thread- New alternator stopped working

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Old May 23, 2025 | 03:02 PM
  #21  
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Originally Posted by Piersonpie
Thanks for the responses!

I brought the new alternator to the store today.



They didn’t have a V-belt for their alternator tester, so I wasn’t able to find out if it was bad. However, they gave me a new one under warranty anyways.

So the new new alternator goes in. Still nothing. I’m getting 11.8 volts at the battery regardless if the car is on or off, and the battery gauge isn’t going into the positive. However, I am getting a magnetic feel at the rear of the alt when the car is on.

At this point I don’t believe it’s the alternator itself, but something else. Like I said before, all connections are clean and tight. I disassembled the two prong connector to be sure. Any recommendations as to what it could be?

And yes, I do agree working on your car yourself using high quality materials is the way to go, but at this point I’m not blaming it on the parts store alternator for the issue.
The new one should last because you brought it home with the seat belt on!
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Old May 23, 2025 | 10:56 PM
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Glad you got it sorted. Unusual to get 2 bad alternators like that but not unheard of.
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Old May 24, 2025 | 04:49 AM
  #23  
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Of course you would want to buckle up your replacement alternator. You wouldn't want it flying around inside the car in the case of a accident.

Last edited by 4-vettes; May 24, 2025 at 04:57 AM.
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Old May 24, 2025 | 02:19 PM
  #24  
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The belt seemed to fit on it better than the V belt that was misaligned for 49 years!
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Old May 27, 2025 | 09:09 AM
  #25  
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Very cool it is working..

i would still rebuild , if original non refurbished, as a backup and my experience the chinesium remans in my case dropped 50 rpm compared to original under normal load at idle so not the same.
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