Your getting into one of the many issues created by the assemblers doing things in the most expeditious way they can. The result is inconsistencies from one unit to the next. In my case the plumbing drains are not at all the way the drawings that Thor supplied show they should be. If your inside TV is not working off your inverter, it shouldn't be too big a job to track down the wiring and connect that set to the inverter.
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