Question about 1999 Ford Windstar

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2006 Ford Tarus Over Charging from Alternator

Had 4 alternators including one from Ford, changed out battery, checked all wires and grounds still putting out over 15 volts. Had it into the Ford dealership 4 different times still can't find solution.

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Rod Wallberg

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Could be a pinched wire that did not show up when new. May have worked thin over the years.... Though to locate at times..... Bulk head headers can be a culprit, any where a wire passes through or over metal parts. Check for corrosion near battery terminals and alternator as a corroded connector can be "seen" as a resistance to the alternator and it will output more amps to compensate.....

Posted on Feb 14, 2010

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