Question about 1989 Ford Thunderbird

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Thunderbird alternator constantly needs replacing

89 thunderbird, i've had it for about 8 or 9 months and i've gone through three alternators. the belt is probably still factory, if not, it's seen better days. i guess my only thoughts are either an electrical problem (possibly shorting out somewhere and shortening the life of the alternator) or not enough tension on the pulley somehow causing it to burn out? thanks

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  • cdanzl Apr 21, 2009

    it has not, it has also been suggested that the battery could posibly not be holding a full charge therefore causing more drain on the alternator.

  • cdanzl Apr 21, 2009

    got a new (refurbished) alternator with connector, and put a good (better) battery in. the old connector did look pretty crappy. thanks!

  • medley_r May 11, 2010

    did you have it tested when you bought it. it could be the voltage regulater or your battery

  • yadayada
    yadayada May 11, 2010

    the problem is not the alternator but the connector to it, replace it. has it been replaced?

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Have the battery tested most parts stores will do this for free, autzone and kragen both do, yes a low battery burns out Alternators very quickly, also buy the Alt repair connector from Ford and replace it, this most likely is the problem, a poor connection at the Alternator, that to destroys the Alt quickly..

Posted on Apr 21, 2009

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