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Old 02-03-2013, 04:19 PM   #1
Join Date: Apr 2010
Location: Branson,mo
Posts: 5
12 volt wont work

Ok folks need your help. I went to test tow my Rockwwod 8280ws with my new to me Ford f250 (tows real nice by the way) I hooked up the battery and my landing gear worked. After i hooked up to truck the message trailer wiring fault and nothing worked no lights no landing gear nothing. I unhooked from the truck and still nothing. I hooked up battery charger and still nothing. I hooked up the trailer plug back to truck and all 12 volt came back on lights landing gear everything. So I disconnected the battery and all 12 volt still worked as long as plugged in to truck. I hooked up the 30 amp and everything 12 volt worked even with the battery disconnected. I went ahead with the test tow and when I got back left charger on battery for 2.0 hours still nothing on 12 volt unless truck or electric is hooked up. I have 2 fuses by the battery and checked both they are good. Took the inverter out and there are 3 fuses behind it and they are good I even check all the fuses in the inverter and they are good. Battery is only 2 years old could it be the battery or am I missing something. SAny help would be appreciated


1DW,1 DS,1DD,1 2 furry friends
2011 Rockwood 8280ws 5ver
2011 Ford F250 Lariet 6.2l 3.73gears
camperdad is offline   Reply With Quote
Old 02-03-2013, 04:24 PM   #2
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Join Date: Feb 2012
Posts: 1,101
Follow the battery line from the battery to the converter you may have a resettable breaker in line that has tripped. There will be a small button on the side to reset it.


Vibe 6501
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Old 02-03-2013, 04:45 PM   #3
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Join Date: Dec 2012
Location: Chino Valley, AZ
Posts: 671
I'd follow the + wire from the battery and look for a disconnect switch, since everything works with TV power or Converter power.

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12 volt

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