Audio Systems: factory stereo and jensen hook up, ford lincoln mercury, ford stereo

Question
hello, i have a 2003 ford excursion. i have the rear dvd entertainment system. i just recently installed a Jensen VM9412 which supposly isnt compatable with my dvd player. the guy who installd it said i need a factory integration harness or something to get my rear dvd hooked up to my newly installed head unit. ive searched but cant find anything. all i find is harnesses that go into the stock head unit to run aftermarket. apartently i have to find something that fits into my jensen that hooks up to my stock oem harness for my rear dvd. if you no any websites or places/ the exact thing i need that would be greatly appreciated. please help!!! thanks alot

Answer
hi, last week  i remove the ford stereo,amplifier,cd changer and subwoofer on a 2005 expedition but the video and dvd stay in the vehicle and i run in to the same problem dvd didn't
but this interface solve the problem check with them to see if there is one for your vehicle

http://www.oemautosound.com/pc-463-86-dvd-keeper-for-rse-equipped-can-bus-ford-l...