High voltage

Asked by Tyler Jan 16, 2017 at 12:15 PM about the 1999 Ford F-150

Question type: Maintenance & Repair

I've changed the alternator twice and
battery. The first alternator I changed bc
the regulator was bad. I put the new
alternator in and still have the problem of
high voltage.could it be a bad battery with
bad cells ?

1 Answer
221,015

Rowefast answered 7 years ago

I'm still going with the regulator. You could verify yourself with a digital multi-meter at the battery to see what kind of voltage is being put out by the alternator/regulator. Normal is around 14.5 DCV.

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