I have the REF Single cd with sirrius radio installed in my 07 Ram 1500. If I were to do a head unit swap with another OEM Head Unit. Is it a simple plug and play swap? Would I still have the same satellite esn or would it be different?
You just need a sat radio plug in at the back but if you go stock for stock MOPAR, most units have this. You would use the same sat receiver that's already in your truck.
If you go with a larger DIN head unit, such as I did, you just need a new center bezel.