Cable doesn’t work in camper - how to hookup cable TV at RV TV wiring overview. The wiring for your TVs comes in from a jack on the exterior, connects to the booster and then splits off to the other TV locations in the RV. Unlike homes where the splitters are usually located in attics or basements where you can see them, RV manufacturers put the splitters in the walls behind the jacks. How to Hook up Satellite TV in RV for Dummies Step #2 – Be fixed the dish. To do this one, need to slip your dish onto the pole that is mounted. At once, for the bolts, also need to turn them. Step #3 – Mount the cable to the dish with the screws. If you stand it on the ground, you will have to set up a long RV cable wiring to be able to reach your dish in an easy way. It is noticed