We had a CW install our DirectTV windgard about 2 months ago. With ours the only "pre-wiring" involved the HDMI switch box being able to be used. We wanted to only bring one box from the house when we traveled so by CW going through this switch box one DirectTV receiver can be used on all three TV's. Other than that they had to fish all the wires from the roof down to everything else. I don't have a third tank vent showing on my roof.
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Full Time in 2017 Newmar Ventana 4369
pulling a 24' enclosed (Mini Cooper/Harley/Kayak)
(traded 2014 Thor Challenger)
US Army 70-73 Retired LEO
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