Plugs into main under dash harness and turn signal harness exiting steering column. Runs under left scuff plate and above left wheel well housing. Supplies power to tail lights, license plate light, back up lights, gas tank sending unit and interior quarter panel lamps on fastbacks. Also includes back up light wiring. Features protective outer weave type covering like original. Notes :1964 Coupe, Convertible (w/o tail light housing plugs)