fierce_gt

my brother bought a dvd system from a wrecked caravan(not sure of year, sticker seems to indicate 03 model year)and now i'm trying to install it into his truck(98 dodge dakota)
i have the screen, the dvd changer, the wires, and another little module that connects between the screen and changer. i got the changer hooked up and working, but then i realized there were no control buttons on it, only 1-6 to select the disc, and an eject button. there are three buttons on the side of the screen, that appeared to do nothing when i pushed them.
so i don't know if the screen part actually even works. is there any way to hook up the screen without the changer?
the wires coming from the screen i believe are:
red=power
black=ground
yellow=vid signal
i left the diagran outside, but there are two grey wires one for video common, the other i forget, and a purple wire for dvd play.
i'm not sure if dvd play is an input or output, and i'm not sure what i would hook up the video wires to. i though an rca was just a signal wire with a ground surrounding it. this seems to have 3 wires for video.
i've searched and searched online and can't find anything about installing just the screen. please, if any of you know anything about this system let me know. thank you

fierce_gt

nevermind guys, figured it out the old fashioned way, trial and error.