Technical - 1966 ford truck turn signal wiring help | The wwwpyjournal››Traditional Hot RodsJan 13, 2014Technical 1966 ford truck turn signal wiring help. Discussion in 'Traditional Hot Rods' started by 69ranger, Dec 30, 2013. Joined: Oct 4, 2010 i put a new turn signal switch/harness in it. now i need to no which wires get hooked to what. the other is for in-library use only. Friend installed a '76 Ford truck steering column in his '66 Ford Truck: 1960 - 1966: Turn Signal Switch and Parts Ford Truck: 1960 - 1966: Turn Signal Switch and Parts Turn Signal Switch, 1961 - 64 Ford Truck (2 Wheel Drive F100 - F250) Shee-Mar SM39F - Sh-Mr Add to my wish list!