This pair of new reproduction taillight housing pigtail wires and plugs is compatible/replacement for 1964 Fairlane; 1964-66 Mustang; 1965-66 Comet. Features the correct color-coding for left and right taillights and is an exact copy of original weatherproofing rubber plug and connecting terminals. NOTE: Electrical parts are non-returnable once installed. We will replace defective units only.