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A collection of helpful articles based on reader submissions
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Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

'90 Ford Tempo, Alternator Burn Out

Q: The Alternator wiring harness on my '90 Ford Tempo plugs into a port on top that looks like it's made of hard plastic. That part burns up. Could that happen because the belt is too tight? The belt in question is the alternator to power steering pump. I have gone through 3 alternators. If you could give me advice, I would greatly appreciate it.

- Marv

A: Having a belt too tight would cause the bearings in the alternator to fail prematurely but that is a lot of tight and it will not cause meltdown of the electrical connector. ALLDATA Information Systems shows Ford service bulletins addressing this issue. The bulletin emphasizes replacement of the connector you're referring to if it has become heated. The terminals inside the connector lose their tension and result in a poor connection. This poor connection just makes matters worse. Most good quality replacement/rebuilt alternators come with a replacement connector, that's how big of a problem it is. A good alternator needs a good connection to prevent melt down.

 
     
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