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Old 12-19-2011, 04:32 PM   #1
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1970 31' Sovereign
Burnsville , North Carolina
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No Battery, No univolt

Just got a 1970 Sovereign that i intend to keep immobile. There is no battery and no univolt (that I can find) but the fuse box seems intact and there is an AC adapter coming off of it. Can I plug the 120 AC into my house and have power or will I blow everything up? Thanks, Bill

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Old 12-19-2011, 04:43 PM   #2
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Morrill , Nebraska
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By fuse box, do you mean a load center with circuit breakers? If that is all you have there won't be power to the lights or any other 12 volt devices like the furnace, water pump and stove vent for example. Before you connect power you should confirm there are no wires on the 120 volt side of the system. While you don't need a battery, you will need a converter of some sort with a capacity of at least 30 amps to provide the 12 volts DC needed. Of coarse you will need to wire the converter to the 120 volt AC panel as well as to the various DC circuits throughout the trailer.

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Old 12-19-2011, 04:45 PM   #3
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2014 20' Flying Cloud
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What is "the AC adapter"?

Without the Univolt or battery, none of the 12 volt lights will work, but otherwise there should be no problem if you plug the thing into 120. The regular outlets should work, and the refrigerator should cool on 120, assuming you have it switched to that position on the control, and it is plugged in in the back to the 120 volt outlet there. The older refrigerators did not need 12 volts to operate, like the new ones do.
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Old 12-19-2011, 04:47 PM   #4
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If the Univolt was properly removed, and the 120 volt feeds properly taped up or isolated, you can plug in and run your 120 volt AC systems.
You will have no lights, since they are 12 volt and normally powered by the Univolt converter.
But you will have 120 volt AC receptacles, and you can use table lamps.
Take care to ensure the 120 volt feed to the missin univolt has been properly terminated.
Ken L
2007 Classic Limited 30 (Sold)
2007Chevy Silverado 2500 HD Duramax/Allison
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Old 12-19-2011, 04:52 PM   #5
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I meant to say no wires disconnected on the 120 volt side of the system. There should have been one circuit providing power to the Univolt . If the unit is gone the wires are probably hanging lose. Unless you are familiar with 120 volt AC circuits you should seek knowledgable help. I don't know where the Univolt was or is located in your trailer. Some one here should be able to help with that. Once the location is ID'd you can check to see if the wires for the AC power are connected to anything. Always err on the side of caution with electrical devices.
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