Why will my truck battery take a charge while on my shop bench but not while hooked up in the truck?

Asked by Jun 30, 2017 at 04:08 PM about the 2001 Ford F-150 XLT Crew Cab 4WD SB

Question type: Maintenance & Repair

2 Answers

845

Maybe you have a bad altinator

21,690

Check the voltage at the battery with the engine at idle. Should be a little over 14 volts. If not, suspect alternator.

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