Just bought 2022 holiday rambler invicta 33hb, there are 3 wires above theater chairs 1 is a hdmi then 2 coax 1 labeled rf1, other rf2. We want to use our tailgate satellite but it only goes to out tv. Ive read about a 4x4 matrix that may help but one's online all are hdmi pugins and I don't think rv is wired to be ablebto watch satellite in living area. Here's my email if you might know [email protected]