Hi i was hoping someone might be able to help i swtiched from Tpi to Carbed and I am using the A/c setip out of the tpi car I have all the connections eand everything in place for the car i put it in and realized i forgot about one connection i didnt see it was on the back of the clutch assembly and it has a small cylinder type connection I was wondering if this connection is important or not? cuz i sould the car it was orinally in so i dnt have that connection and dont know what it does. and if i need it whats it called and how do i wire it so it works thanks