I have used the satellite input with my tailgater many times. I had to get a new Vip 211K receiver. When I installed it I had problems and it could not download the program guide. A tech came out and the barrel was the old kind and too small for the new coax being used. He replaced them and still had the same problem. Went to the bedroom sat conn and found that it was also getting a signal from the dish which told the tech that there was a splitter in the system. Satellite systems are not supposed to work with splitters. I asked him why all of a sudden it was not working. He told me that sometimes the coax degrades over time.
I solved the problem by shade tree mechanic improvisation of a new connection for the tailgater. I drilled a hole through the side of the slide where the receiver is located, pushed the coax with a rubber grommet through to the outside where i installed a wall cover with a barrel connector that I cut down to properly fit under a metal outside weatherproof cover that usually goes on an outdoor electrical box that I got at Home Depot. It had a weatherproof gasket, but I caulked over it with silicone caulk. I did the same in the bedroom where I am going to put another receiver and 32 inch TV. I am going to install a switch for when we go to bed.
The picture is wonderful and the checking switch installation and acquiring signal is faster than ever as is downloading program guide. I have not tested out the switch for the bedroom yet.