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  1. #11
    Old Timer Soundguy's Avatar
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    Mar 2002
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    51,821
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    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: bad alternator?

    a multimeter would likely tell you whats wrong... but yeah.. store should be able to test it..

    ps.. oem alternator # is SBA185046180

    reg is SBA185516030

  2. #12
    Bronze Member moojamboo's Avatar
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    Mar 2011
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    92
    Location
    Nothern Vermont
    Tractor
    Ford 1710

    Default Re: bad alternator?

    so i say we have an external regulator...but i can't seem to locate it. in the manual it shows a regulator separate from the alternator any ideas where i would look for it?

  3. #13
    Bronze Member moojamboo's Avatar
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    Mar 2011
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    92
    Location
    Nothern Vermont
    Tractor
    Ford 1710

    Default Re: bad alternator?

    Thanks Soundguy....if the alternator is factory 1986 is it worth rebuilding? are there specialty places where they rebuild alternators? is there a good place to get ford parts online?

  4. #14
    Old Timer Soundguy's Avatar
    Join Date
    Mar 2002
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    51,821
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: bad alternator?

    most towns have mom n pop stores that do gen/alternator and starters. IF it even needs a rebuild.. might be just a 40$ reg.

    look behind the instrument cluster for that reg...

  5. #15
    Bronze Member moojamboo's Avatar
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    Mar 2011
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    92
    Location
    Nothern Vermont
    Tractor
    Ford 1710

    Default Re: bad alternator?

    is there a way to test if the regulator is bad with a mulitmeter?

  6. #16
    Old Timer Soundguy's Avatar
    Join Date
    Mar 2002
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    51,821
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: bad alternator?

    you can OBSERVE if the reg is bad, using hte meter and the alternator..etc

  7. #17
    Bronze Member moojamboo's Avatar
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    Mar 2011
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    92
    Location
    Nothern Vermont
    Tractor
    Ford 1710

    Default Re: bad alternator?

    i'm fairly new at electrics...is there a way to isolate and test just the regulator? i took the alternator around today and couldn't find anywhere which would bench test the alternator (autozone said they couldn't cause they wouldn't have a part number). so at this point i don't know how to separate the regulator from the alternator in the circuit while trying to diagnose the problem.

    how do i tell a regulator issue from an alternator issue with a mulitmeter?

  8. #18
    Old Timer Soundguy's Avatar
    Join Date
    Mar 2002
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    51,821
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: bad alternator?

    if you can't test the alt.. it may be pointless.. if the alt was tested good, then you could infer regualtor issues if it did not charge.

    find a REAL alternator/starter/generator rebuilder.. they will be able to test it..

  9. #19
    Super Member deerseeker001's Avatar
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    Jul 2011
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    7,880
    Location
    Central wisconsin
    Tractor
    International 2500a with Loader

    Default Re: bad alternator?

    i went through this took my alternator to a good electric repair shop tested the out put said it was good.this alternator was a 3 wire i went to a 1 wire alternator and now it works fantastic.

  10. #20
    Old Timer Soundguy's Avatar
    Join Date
    Mar 2002
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    51,821
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: bad alternator?

    sounds like you had a generic delco 10/12 SI model.. not the oem tractor alt... BIG difference....

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