Need help from anyone whom has installed the Toyota backup camera on 4runner. I added the blackened lights, the Solara nav system, and am adding the last addition on my list. Got the camera, but no instructions. It almost looks like it attachs to the metal bumper under the cosmetic bumper. Anyone know?...also the camera came with only a short 6 inch cable with harness on the end. Is the other part of harness already inside the reer of T4R, or is it something i have to add myself. I know the place to plug it into the rear of the Solara Nav.