Hello I just bought a 1997 Tahoe LT 4x4. I have owned it about two weeks now, when I got the truck the climate controls worked great, now only the blower motor works and it will work on every setting. However when I push the A/C button or the recir button nothing changes. and the vent controls don't work either. I cant find where the air is going i checked my feet and dash and I don't feel any air movement. I checked the fuses and everyone was good. I took apart the dash and reconnected the wires that are on the passenger side of the unit.I searched this site and couldn't find any other posts similar to my problem. I am not sure what do next. thank you