Follow these steps and you can't go wrong!

B,D, and A correspond to the connections on the transmission of a 4100 car.



Cut the grn/wht and tan/wht wires right at the red connector, don't leave any wire there.





Here's how it works:
When the first LED goes out, you know you're out of first gear. This is merely for convenience. When your rpm's look good and you're at highway speeds of 55 or better, press and release the momentary pushbutton. The relay will lock up energizing the TCC and the second LED will light. Tapping the brake pedal will disengage the TCC. Piece of cake!