Is my alt. going bad also? - Ford Powerstroke Diesel Forum

 
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post #1 of 2 Old 08-09-2006, 06:24 PM Thread Starter
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Is my alt. going bad also?

I just replaced my alternator under 2k ago and Now my volt meter is droping to 8 or shooting as i acc. to the top end. then other times its just find. The votage is deffefenlty changing its not just a loose conection on the gauge because my aircond. runs different as it changes. Any ideas
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post #2 of 2 Old 08-09-2006, 06:37 PM
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I would first wiggle the pigtail going into the alt while it is running with a DVOM on the battery, if it jumps around while you wiggle it then the pigtail is bad, you can usually pick them up at the auto parts store for $10 or so.

Duane

1994.5 F-350, PSD, 5spd, Crew cab, 2wd, DRW
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