Recently when I upgraded my '76 Maverick from the I6-250 with a leaky C4 automatic, I pulled the C4S (that is eeesss after the C4) from my donor '73 Maverick.

My question is: Where do the vacuum lines for the modulator on the C4S go to? Remember that my origional C4 did not have these so I am at a loss to where they go.

I know they went to a manifold distribution supply mounted to the firewall and that is well and good, except that I don't have that on my firewall. Can ANYONE please trace these vacuum lines and find out where each of them goes? There is only two so hopefully it would be easy to trace.

I'm pretty sure one side goes to full manifold vacuum but I'm at a loss to where the other line from the modulator would go.

ANY help would be very much appreciated!