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Rv Generator does not turn on inside power, but cranks great

I have a Onan Marquis 7000 gen. on my Rv. It cranks and runs great but will not operate any thing inside. Does not get power to the inside. Every thing works when I plug to outside power supply. I've check to fues on the generator and all the breakers inside and on the generator. Does anyone know what could be happening. Thanks for your help.

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  • leerswafford Jun 26, 2009

    No, I checked the power just as it comes off the generator and there is no power at all. I called a camper place and he tells me that its the voltage Reg but for the life of me I can not fine the regulator . I do not have a book but have order one. The uniit is a Onan marquis 7000 model 7NHNFA26106D. Thanks for all your help. Would you happen to know where the regulator is located?

  • leerswafford Jun 27, 2009

    Ok I will check thanks for your help.

  • Craig Butler
    Craig Butler May 11, 2010

    Have you checked the transfer switch? It switches the power between the generator and incoming power to the breaker panel in the RV. If it does not sense and switch the power from the gen, you will have the symptom you describe. Is there power at the generator?

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  • Master
  • 1,714 Answers

The regulator could be inside the gen. Maybe under one of the covers on the front. I'd poke around and take a cover or two off and look it over. You may be surprised!

Posted on Jun 27, 2009

  • Craig Butler
    Craig Butler Jul 04, 2009

    This is a close manual to what you have... let me know...

    http://www.cumminsonan.com/www/pdf/manua...


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