What I was looking for and found, was the vacuum line going in to the vacuum manifold that is behind the glove box. I the noticed that the manifold, if that is the right term, had been removed once or more and been taped back together. I removed and marked the 5 vacuum lines on it, took out the manifold, and removed the cover. Some of the solder connections looked suspect so I re-soldered them, not I want to make sure the solenoids contained therein are functioning. what I really need is some sort of diagram that shows what port on the manifold corresponds to what climate control switch/button. The elec. plug to this manifold has power to it, so all I need to do is make sure vacuum is getting where it needs to go per climate control button position or rather buttons "pushed in", like defrost, etc.
Hope that clarifies what I'm doing!