Alternater is good but still not charging why

Tiny
ANONYMOUS
  • MEMBER
  • 1991 FORD F-150
  • 150,000 MILES
Alternater is good but still not charging why
Friday, March 15th, 2013 AT 1:23 PM

2 Replies

Tiny
JDL
  • EXPERT
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?
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Friday, March 15th, 2013 AT 2:08 PM
Tiny
JDL
  • EXPERT
Just to add, do you have an internal or external voltage regulator?
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Friday, March 15th, 2013 AT 2:14 PM

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