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Carrier Reefer help

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by max954rr, Sep 3, 2023.

  1. Sep 3, 2023 #1
    max954rr

    max954rr Bobtail Member

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    Mar 29, 2022
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    I have a 2014 carrier x4 7500 that the alternator won’t charge unless I excited it manually.
    Changed alternator twice, and does the same thing. any ideas why it won’t start charging on its own.
    Thank and await any reply’s
     
    max954rr, Sep 3, 2023
    max954rr, Sep 3, 2023
    #1
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  3. Sep 3, 2023 #2
    bad-luck

    bad-luck Road Train Member

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    @reeferwrencher
     
    bad-luck, Sep 3, 2023
    bad-luck, Sep 3, 2023
    #2
  4. Sep 3, 2023 #3
    bzinger

    bzinger Road Train Member

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    omaha , ne
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    Bad board or ecm would be my guess .
     
    bzinger, Sep 3, 2023
    bzinger, Sep 3, 2023
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  5. Sep 4, 2023 #4
    wichris

    wichris Road Train Member

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    The correct alternator? There are two different ones
     
    wichris, Sep 4, 2023
    wichris, Sep 4, 2023
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  7. Sep 4, 2023 #5
    marmonman

    marmonman Road Train Member

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    central illinois
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    You kind of answered you own question.
    It is not getting juice to get it to charge so I would start tracing the wire back to see where it might be broken or why it is not getting power.
    You could even run a new wire for a temporary fix to get you by until you can get somewhere to fix it right.
     
    marmonman, Sep 4, 2023
    marmonman, Sep 4, 2023
    #5
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