Alternator not charging

70

Asked by Mark Feb 01, 2021 at 09:16 PM about the 2011 Ford F-250 Super Duty XLT 4WD

Question type: Maintenance & Repair

Alternator intermittent not changing,
replaced batteries,  removed Alternator.
Bench tested good, checked pigtail,  
one 12 volts ⚡ all the time, 1 wire 12
volts ⚡with ignition on,  1 wire ground
with ignition on. When the alternator
stop charging there is a humming or
buzzing noise from under the hood,  I
believe that it's from the alternator.

1 Answer
70

Mark answered 3 years ago

Bad bridge rectifier in alternator, replaced alternator , all seems good now. Special thanks to Alternator man utube channel , www.alternatorparts.com

Mark helpful

Your Answer:

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