It sounds like your vacuum controls are stuck on the defroster I had that happen and I sprayed a lubricant into the vacuum lines and it cleared up
no heat to front window went defrost is on
Vacuum leak
Check for vacuum leak either under dash or hood Check for bad vacuum motor under dash Defrost is the default setting for this vehicle
There may be several reasons why the air only blows out the front vents and not on the floor or the defrost on the 2003 Dodge Ram. The fuses may be blown, or the heating coil is not working correctly.
The big chunk of steel that supports the bottom of the windshield and the front floor.
Steam shows up on the inside of the windshield after shut down if you leave it on defrost. Damp carpet near top right of passenger floor or dripping antifreeze near the right front tire near firewall, jja
This is the same on all cars. When the air flow is OFF in a section, the it blows stronger to the other vents. In this case the ones for the windshield. This makes defrosting quicker so you can start driving safely sooner.
reseal the windshield
You didn't mention if it was a car or truck and what series. About the only 2 possibilities are the heater core or windshield.
Your blend door is giving you trouble, it is not switching from defrost to heat or vent
on what?
Frt wpr is shorthand for front wiper, which refers to the windshield wiper located at the front of a car that is used to clean the windshield.