PLEASEEE I need help. I have a 1983 S10 Blazer 2wd. I found the vacuum hose that was broken off. I need to know where the vacuum hose from the vacuum canister to inside the vehicle attaches to. The AC is only working on the defroster/heater vents. I have looked everywhere and I cannot find where...

I recently bought an 83 s10 that was swapped with a carburated 350. It has the 2 vacuum lines coming from the carburetor spliced like 3 ways to go to the transmission, the 4x4 balloon, and the vacuum reservoir. I would like to know how the vacuum is supposed to be properly ran so that when I fix...