Hi Tom,
You kind of let us hanging on this one.
My vacuum pump, located way up inisde the area housing the front manifold, air horns, driver's side head lights, etc. has started to run continuously when the ignition switch in on or in the accessory position. I know I need to round up a vacuum gauge, but a quick check made by pinching the hose off directly downstream of the pump did not cause the pump to stop. From that I think I am probably looking at a bad vacuum switch or pump - and they may be an integrated unit.
Has anyone crawled far enough up in there to see what kind of pump is there?
I'll try to post back here on whatever I figure out. As always, I am glad to have the help of the expereince of folks who have gone before.
Russ
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