Dirverter door stuck in defrost mode?

Dirverter door stuck in defrost mode?

Added (1). 1996 ford aerrstar dirverter door stuck in defrost mode

Stick your head under the dash, move the selector lever back and forth and you should be able to find where the cable is hooked to the heater box. Move the lever on the heater box until you get the air coming out where you want it to.