Question about Ford E-150

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Will not charge battery, altenator and regulator

1988 E150, 5.0, with two plug alternator, will not charge battery. I have replaced the alt. with a new unit, checked all wiring and fues links and everything appears correct but it still will not charge.

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Is the battery light on with the key on, engine off? if not.... it should be. if not, one of the small wires is the ground for the bulb. if the bulb is burned out, it wont charge....The large wire should have 12volts. What is the voltage at the battery when running?

Posted on Sep 25, 2009

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I replaced the altenator and voltage regulator in my 1980 ford f 150 and it still wont charge the battery


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