They are pretty easy to hook up. I did find out that my cruise cancel switch on my brake pedal was leaking vacuum. I was trying to get a better recovery after using the brakes so I took the vacuum line off of it and put a bolt in it. I have better vacuum, recovery now plus I gained 1" of vacuum while on the highway. My cruise control is my right foot so that switch isn't needed.
That's how the manifold is right now, with the caps. When I was testing with the gauge, having the cruise and the vac senor hooked up reduced the reading. I don't trust 37 year old mechanical cruise control and the sensor thing doesn't work (brake light isn't on with no vac going to it) so yeah.
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