I bought mine on ebay from a guy that sells genuine MOPAR parts from the factory and i bought the kit (without the harness since mine is pre-wired) for 120 shipped, you can also buy the one with the harness for about $20 more i believe, here is a link to his auction.

http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWA%3AVRI
This one is for the PRE-WIRED trucks only...

http://cgi.ebay.com/ebaymotors/Dodge...QQcmdZViewItem
This one is for the trucks that are NOT PRE-WIRED

I got it shipped real fast, easy install, great instructions, would definatly recomend

Hope that helps,
-David