[JRTJH]

Here's a couple of photos of what the factory does. As you can see, it's not impossible for a coax cable to get pushed into a crevice and not be connected. You might lay on your back in that "wide open space" and find the other end wrapped around something a couple feet away from where it should be. On mine, and probably on yours, those two cables are attached to a splitter behind the antenna booster switch. You might find that splitter and if there's a connection on both inputs, then that cable is routed "somewhere" in the bowels of your RV.... Anyway, here's the spaghetti as promised: