My 2016 Chateau 31W did the same thing. I found a pinched rear camera wire and it was shorting out all of the cameras. As the dealer told me they could not get to it for several weeks I ordered a 50' cable and ran it myself. Funny thing was, when I was running the cable I found another long piece of cut off cable under the coach pinched in a frame member, so it was already fixed once at the factory or dealer before I even got it. When they fixed it, it got pinched under the dash. I think I did a better job fixing it myself.
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