I know that this has been done before. I found a youtube site that states to get an entire harness and computer for a 2003 to 2005 Ram. It claims that these are the easiest ones to reconfigure ( I don't have the money to buy an already made harness so im planning on trying to convert a factory harness and computer). I have found quite a few 300C's, Chargers, and Durango's in the local salvage yards but no luck finding any Rams. Since a Durango is a SUV would it be as useful as a Ram or should I keep looking?