Question about 1989 Ford F 250

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I have a charging problem new altinator and chage light is still on but when I rev the engin up it goes out. what is my problem.

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What is the year, make, and model. If it is an older vehicle it is possible that it has an external voltage regulator. That could be failing. Get the new alternator and battery checked at any rate. Also, check all wiring between the alternator and the battery.

Posted on Sep 12, 2009

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THE BATTERY CAN CAUSE IT AS WELL... MAKE SURE YOUR ALTERNATOR CONNECTIONS ARE FIRM... THE SINGLE WHITE WIRE THAT PLUGS IN IS CRITICAL

Posted on Sep 12, 2009

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