I'm currently trying to purchase a '05 F250 Crew Cab, PSD, 4x4, King Ranch. On the massive amount of vehicies I've searched for on the internet, I see some that some offer the Tow Command option while others only show the Trailer Brake Controller. The price is different ($125), so I assume there is a difference in what you get with the Tow Command. At looking at the Tow Command Pkg, it also includes the integrated clearance/signal lights on the outside mirrors. I thought that this was STD on the King Ranch so why can you get two different prices when you build one out? Any insight? Thanks and I'm looking forward to hopefully get the deal done this week if I can find my specs.