Yes, there is a plate that goes over the hole in the fire wall. I didn't go this route as I wanted to keep my car some what original looking under the hood. I bought a color wiring diagram off ebay that came laminated and properly color coded. The diagram helped a ton as its large and easy to follow. Here is the seller http://stores.ebay.com/Classic-Car-Wiring its woth the $17 IMO
