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Open Roads Forum  >  Class A Motorhomes

 > Generator only runs when engine running

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kidgold

Lakeside, CA, USA

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Posted: 06/24/12 07:29pm Link  |  Print  |  Notify Moderator

I recently replaced my engine batteries in my Allegro and now the generator only runs when the engine is running. As soon as I turn the engine off, the generator stops immediately. Sounds like someting electrical. Any suggestions?

Thanks.............Richard


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Crazy Ray

Monroe,La

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Posted: 06/24/12 08:13pm Link  |  Print  |  Notify Moderator

Richard, What brand/make Genny would HELP don't you think. JMO


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dalmationlovers

Bremerton, WA

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Posted: 06/24/12 08:24pm Link  |  Print  |  Notify Moderator

Have you checked the connection between the generator and your batteries. I have a lead that runs from my generator directly into the batteries bay. Just a thought.

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othertonka

Stockton, CA

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Posted: 06/24/12 08:36pm Link  |  Print  |  Notify Moderator

The generator usually starts from the "House" battery, not the chassis battery. Is the house battery dead or weak or is it fully charged? I am guessing that it is weak and by having the engine running the alternator is charging it enough so you can start the gen set. When you shut the engine off the alternator quits charging and there is not enough voltage in the house battery to keep it running. Or as a second thought, do you have the battery disconnect switch for the house battery in the OFF position? If so turn it back on. Use a volt meter to check the voltage on you house battery and go from there


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kidgold

Lakeside, CA, USA

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Posted: 06/24/12 08:48pm Link  |  Print  |  Notify Moderator

Both of the batteries are fully charged. But, when I hit the Aux Start Button on the dash (a momentary switch that sends power from the house batteries to the chassis batteries), it works fine, until I let the aux start button go at which time the generator promptly dies. I should also note that the engine doesn't have to be running, just the key in the on position (ready too start). This is really wierd.

garym114

Bluff Dale, Texas

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Posted: 06/24/12 09:20pm Link  |  Print  |  Notify Moderator

For some reason the coach battery connection is not getting to the generator.


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kidgold

Lakeside, CA, USA

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Posted: 06/24/12 10:54pm Link  |  Print  |  Notify Moderator

I found it. It was a 250A fusable link between the chassis & house batteries.

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