Head Unit & Amp   Jason Hayes sent me these photos. Unfortunately, I don't have a whole lot of info on what the individual wires do - thought the photos might be helpful anyway.     Head unit with bezel removed Connectors on back of head unit The external amp is located near the passenger wheel well to the right of the glove box. External six-channel amp - Two channels go to sub; four to doors/tweeters. Connectors on external amp     close window close window