Alternator good but will not charge battery

Asked by Jun 19, 2017 at 02:28 PM about the 1978 Ford F-150

Question type: Maintenance & Repair

Had the alternator checked.  It is good but will not keep battery charged.  I was told maybe an fuse link (?) or a fuse (?).  Where would I look to find either of these.  Thank you

2 Answers

915

Would do a load test on battery there may be a bad cell. Other thoughts are clean all the contact areas and inspect for cracked wiring Starter, alternator, and battery posts. Sometimes the alternator will put out some juice but not enough.

1 of 1 people found this helpful.
270,255

also check for a parasitic draw.

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