Mechanics

FORD F-150 ALTERNATOR PROBLEM

1991 Ford F-150 • 150,000 miles

Alternater is good but still not charging why
Avatar
Guest
March 15, 2013.



If the battery is down, take it off and get it charged. Cant do any testing if battery is down. How do you know the alternator is good?

Maybe a problem with alternator wiring circuit, to or from the alternator?

JDL
Mar 15, 2013.
Just to add, do you have an internal or external voltage regulator?

JDL
Mar 15, 2013.