Same boat for me, HVAC blows in front but I can't control the speed. I got a blower motor resistor (non OEM) it worked but not at the high speed....
...OEM resistor I found online looked similar but with only one thin black sheet of metal. The one in my expedition looks just like the pic above....
Do you guys recommend taking the current resistor I have into a dealership and ordering from them. I'm a bad combination of cheap and not good with cars.
2007 Expedition Limited
the one with one thin sheet is for non-automatic temp control (I believe)