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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > New battery no power

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BowtieJim

Minnesota

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Posted: 07/08/21 05:22am Link  |  Quote  |  Print  |  Notify Moderator

Hey folks,
New member here.
2002 Hornet 25FL
I have no 12v power. New Battery.
Shore power works.
Is there any hidden fuses/breakers?
I'm wondering if the converter has an issue. MagneTek 6345 q series.
Any help would be greatly appreciated.
Thanks

Flute Man

Payson, Arizona

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Posted: 07/08/21 05:32am Link  |  Quote  |  Print  |  Notify Moderator

Two things come to mind. Battery disconnect switch and was it wired correctly.


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valhalla360

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Posted: 07/08/21 05:53am Link  |  Quote  |  Print  |  Notify Moderator

Start at the battery with a multimeter and check the voltage. Follow the cables to the panel checking where ever there is a bare connection.


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Lynnmor

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Posted: 07/08/21 07:17am Link  |  Quote  |  Print  |  Notify Moderator

There may be a circuit breaker or fuse near the battery.





Bobbo

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Posted: 07/08/21 07:21am Link  |  Quote  |  Print  |  Notify Moderator

Be sure you didn't wire the battery cables backward. That is a VERY easy thing to do, and it blows the reverse protection fuses on the 12v circuit board. If you did wire it backward, you have to rewire it correctly and replace the fuses, usually 2 or 3 LARGE amp fuses. On my trailer there are two 30 amp fuses for that.


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Boon Docker

Mountain Foothills of Southern Alberta

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Posted: 07/08/21 09:34am Link  |  Quote  |  Print  |  Notify Moderator

Check for a small circuit breaker within 3 feet of the battery. There should be a very small reset button, push to reset.
If there is 12v power when plugged in the reverse polarity fuses are OK and the converter is working.

BowtieJim

Minnesota

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Posted: 07/08/21 10:51am Link  |  Quote  |  Print  |  Notify Moderator

It was the positive cable on the battery. I cut the connections and re did it with new ones and it works.
Last place I would have thought.
Thanks guys.
Now that I joined in here I'll chime in with my vast knowledge

Boon Docker

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Posted: 07/08/21 01:57pm Link  |  Quote  |  Print  |  Notify Moderator

Good to hear that you found the problem.

capacitor

California

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Posted: 07/08/21 02:17pm Link  |  Quote  |  Print  |  Notify Moderator

Congratulations and thank you for reporting back with the fix.

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