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Similar to what?
Rather strange 2 separate systems different motors if you have heat in floor then sounds more like control head issue to me.
If you set the AC to max and cool air comes from the vents, unplug the temperature blend door actuator and see if you still get heat from the floor vents.
Ok, this is looking like a broken temperature blend door in the case. The best way to verify this is to remove the temperature blend door motor and where the shaft of the motor goes into the door, take a short wide screwdriver or we use a Torx socket and manually turn the door back and forth and listen for the door fully closing which will be a thump and the same for fully open. If you move the shaft and nothing, the door is broken.
Have you checked your AC pressures?
If the Freon charge is low, or over charged, you will have warm air from the vents. You will need an AC Manifold gauge set to do this.
You should see the shaft turn with it removed but plugged in and change the temperature from hot to cold. DO it slowly.
The blend door only travels a certain distance. Air is constantly flowing from the blower motor through the evaporator and then past the blend through the heater core.The blend door controls how much air flows through the heater core for the setting on the control panel. But the air is constantly flowing through the evaporator. So if the AC is functioning properly, and you set the temperature to cold, you should get cold air. And if you set the temperature to full heat, it should get hot, no matter if the AC is working properly or not.