Hello, I have an '06 std cab TRX with the factory radio which I believe is part # P05064173AI. This radio has the AUX input on the left hand bottom of the unit. The unit is not for satellite and no dual ATC. I would like to replace the unit with one of the radio/CD/cassette combos. I have seen where the '06s were the first year of some major changes. For that reason any help with the proper Mopar/Dodge mfgs part # would be greatly appreciated.