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Alternator Charging

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  • 06-04-2010 4:02pm
    #1
    bazzjazz
    Registered Users Posts: 78 ✭✭


    I had to get a reconditioned alternator back in January and all seemed fine until last week when we had to get a new battery and our (new) mechanic told us the alternator wasn't charging correctly. Our old mechanic, who fitted the alternator, says it is......

    New mechanic says: charging at about 13.5v with no load, 12.5 with full load, should be up at 13.8 to 14v.

    Old mechanic says: Anything between 13-14v is fine.

    What would people here suggest is the correct range?

    Thanks!


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    #2
    Kid Nothing
    Registered Users Posts: 1,059 ✭✭✭Kid Nothing


    As far as I know it should be around 13.7 under a full load, not too sure though


  • Options
    #3
    DublinDilbert
    Registered Users Posts: 5,366 ✭✭✭DublinDilbert


    Kid Nothing wrote: »
    As far as I know it should be around 13.7 under a full load, not too sure though

    +1

    12.5 seems a bit low under full load, but it all depends on where its been measured.

    Was there no warranty with the reconditioned alternator, from the people who reconditioned it?


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    #4
    bazzjazz
    Registered Users Posts: 78 ✭✭bazzjazz


    Yeah, there is a warranty with it and there's no problem getting it swapped if necessary.

    I'm just curious about the values I should expect from a test, so I know if I am being levelled with.


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