My first thought is this modification is not worth the cost to do cosmetically correct. If you really want to do this run a new 12 power source up from under the trailer into the wall where you want the TV and power, a new cable will neeed to be run from your antenna down from the roof. Yes this means a new roof penitration.
Now an alternate method is to run and extension from the existing connector box up the wall and over the ceiling and back down the wall. This can be hid by a cable cover or just screwed into the surface by cable clamps.
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Neil & Karol 2015 Seneca HJ
Dolly tow 2017 Cadillac XT5, Toads 2008 Chevy 1 ton DRW, 79 Jeep CJ5
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