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

4 Answers

1,295

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 people found this helpful.
298,835

also check for a parasitic draw.

80

Dose your truck have a solenoid on the finder?

80

I had the same problem and with my 96 and it was the solenoid wired up back wrong

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