This is not a simple chase when dealing with the trailer group as we get little info on them.
One thing I think will be near the same but have no info on locations is where the lines "might" be. You likely have an exterior cable connection. That is likely one you know about. Then there will also be an antenna connection where the rooftop meets the rest. That is likely to be in a cabinet and I think of them as being near the front or along the right side near the front. Have you found a wall plate with the small button to turn the antenna amp on/off? That often has several coax on the back and those connections are often where I find problems as they tend to work loose. A small amount of Loctite? A touch of super glue?
These two drawings are from a 2015 Vista and may serve as an example of where to expect connections but not a lot of real info. Just general ideas of wiring. Keep in mind they want to run as short distance as possible, so splitters may be as near where some item break off the main feed as they can find a place to hide them. I have not found them too far away. Like at the antenna plate, there is often one just behind hidden in a cabinet!
https://www.winnebago.com/Files/File...ire_110138.pdf
Notice the coax had tape markers near the ends to help ID them? Blu, red, grn? Find a tape at one end and then look at the drawing that is near a match and perhaps you can then expect to find that ID at the same items on your RV?
If you get into running continuity tests on a coax, it can be a big help to know WHICH coax at the other end!
Bottom line is we need more info! Would it be available from a call to Winnebago? I read reports of good help but I suspect it is hit and miss, depending on who answers that day!
Phone calls can be great or worthless but at least, they may be cheap and easy?
Best of luck as it can be a trek!
Choose one with near the same items to connect and maybe some "hints"?
This drawing is more the physical layout of where they ran the wires in this one RV. Maybe some hints on how they hide the splitters in cabinets?
https://www.winnebago.com/Files/File...ire_180921.pdf
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