If your Acura TL or MDX came equipped with factory backup camera and has the factory DVD/ROM navigation drive this harness will allow you to keep the factory backup camera with a new aftermarket radio. This harness plugs in where the factory navigation drive is in your Acura. On the 2007 2008 Acura TL the navigation drive is in the trunk on the passenger side. On the 2007 2008 2009 Acura MDX the navigation drive is below the driver seat, where this harness plugs in. This harness requires connection to 12v and ground. You can ground the harness right on the body of the navigation drive. The power you will connect to the red wire on the RCA. The yellow wire on the RCA is used to connect to pin 5 on the black connector of the navigation it is a brown wire. That brown wire is the reverse signal it will provide 12v when you are in reverse. You then connect the RCA cable to the female cable of the harness and run it up to your new aftermarket radio.
