I have a turbo 400 tranny that I'm placing in my pick up. It has an electric down shift relay on it. I was wondering if anybody could tell me where I would wire it to??? I tried asking a few shops and they had no clue. Is it possible to swap it out with some thing else? Thanks.
There needs to be a switch attached to the throttle linkage so that it closes when the linkage reaches full-throttle. If I remember correctly, 12v switched by ignition goes to one side of switch; wire from other side of switch goes to the single connector on trans. I have seen switches placed on a home-made bracket mounted to a carb stud & activated by the linkage. '67 & later trucks factory equipped with a 400 have a switch under the dashboard that is activated by the linkage. An alternative is a street rod part that connects a cable to the throttle linkage; the other end goes to a remote-mounted switch that sends a signal to the solenoid inside the trans. Check a magazine like Street Rodder for ads, or consult a street rod store. Lokar or Gennie Shifter seem like the brand name.
