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With my new 582 blue head, we broke in the engine and noticed that on the EIS information that we were getting 24.5 volts and with a volt meter at the battery we were getting 13.4 volts. Why the difference?
  • Re: Voltage difference

    by » 13 years ago


    Hi James,

    I don't know for sure without some more info, but my first impression is the way it's wired for the EMS or lose wire.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell


  • Re: Voltage difference

    by » 13 years ago


    Sounds like its indicating the AC voltage going to the reg.

    Nick.

  • Re: Voltage difference

    by » 13 years ago


    Hi James,
    When you check your batery's voltage with the meter is your engine runing? If not, I suspect the regulator may going bad and allow more voltage into the batery when the engine is running, I already ruin 2 bateries by overcharging all the time, I have noticed in many occasions my EIS to read 18+ volts but I did not pay attention,I haven't change the regulator yet but this is what I will do next if my 3nd battery goes bad.
    Regards
    Yanis

  • Re: Voltage difference

    by » 13 years ago


    Thanks for the information but it turned out that the battery connection was loose and it was a simple fix.
    K. O

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