Service manual, check on ebay as that will be the easiest place to get it.
I highly doubt you'll find the monitor wiring already installed. No one that I know of has ever gotten the factory screen to work with anything but the factory DVD player. Either you'll have to buy the harnesses to connect the screen to the player or try and make your own. As for connecting it or an aftermarket DVD player to the HU follow the "how to" link in my signature.
I highly doubt you'll find the monitor wiring already installed. No one that I know of has ever gotten the factory screen to work with anything but the factory DVD player. Either you'll have to buy the harnesses to connect the screen to the player or try and make your own. As for connecting it or an aftermarket DVD player to the HU follow the "how to" link in my signature.