1977 lincoln

You might have a leaking heater core. Put the control on floor/heat and check for fluid.

Which hose and what connection?

Good luck and let us know. :)

my problem started out with when i turned on my heat smoke came from my vents. i then turned off my heat and i could still see my windows fogging up from heat. after awhile driving around i saw smoke coming from my vents. when i stopped and let my engine cool i looked at my radiator and it was fine. then a hose at the connection from my radiator was leaking fluid. my question is if its my hose thats makeing smoke come into my car or if its a more serious problem, what should i do about this?