95ContourGL wins the Christmas goose! I popped the vacuum canister tab to the air vent control actuator and 10 seconds later the problem was solved! Thanks to all who replied.

Toreador Red 96 Contour GL Zetec 4 Cylinder, ATX Alloy Wheels No Modifications "There's such a fine line between stupid and clever." -David St. Hubbins, "This is Spinal Tap"