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2006 Jeep Commander Question: common faults on alternator.



tony.medic, Tacoma, WA, October 22, 2012, 11:28

my alternator charge light comes on and only goes off at high revs,>3000 also makes whinning noise which continues and dies down after engine stops

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  • Answer #1

    Greg's Orange Auto (14902 Answers) , Orange, CA - (714) 361-9386
    globalhelper October 22, 2012, 15:55

    sounds like a bad regulator in alt and poss a bering issue also

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  • Answer #2

    October 22, 2012, 20:42

    PCM regulated ,maybe have scanned to watch for proper control. Pulley poss. is 'clutched' that or bearing ,as globalhelper mentioned may also be faulty.

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