Thread: TH 400 Kickdown Switch

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Originally Posted by 39Deluxe

I'm finishing up the odds and ends on my '69 C10 and I need to know what to do about a kickdown switch for the Turbo 400. I don't have a factory bracket or switch and the carb is a small OEM 1967 Chevy Holley.

Can anyone point me in the right direction?

Thanks,
Tom

I could be wrong here, and if i am please correct me.

I also have a turbo 400. i am using the lokar kickdown box and cable, my kickdown box requires a positive electrical connection, either batt or from ignition, (i forgot which one) that goes to the kickdown box, (which attaches to your trans). From the box it will go to an electrical connection already on your trans. The lokar kickdown still has the cable that attaches to the carb.

I opened up the kickdown box before installing, when the cable is extended all the way, it makes contact with an electrical relay and sends that signal to your trans, i think i remember hearing that the signal operates something in you trans to help fluid flow better when it kicks down.

maybe the ealier 400 trans are mechanical, i dont know, but i didnt see anything mentioned about it