1965 DocRebuild's wiring diagram shows : Heater Switch Conn. triple plug - 1 Black wire with Blue stipe - 1 Black wire with Yellow stripe - 2 Black wires with Orange stripe Your pick shows solid wire colours, Blue, Yellow & Orange. What year is your car? The single Brown wire plug looks like it is also for the Heater Switch Conn. or Radio Capacitor Conn. on Ign. Switch.