My AC and Heat stopped working in my 2002 Suburban. Rear heat and AC still work fine. Any ideas?

mp87ini

I have a 2002 Chevy Suburban. The A/C and Heat stopped working completely (does not blow any air) in the front. Rear works fine. I replaced the resistor and blower motor but still doesnt turn on. Any ideas what it could be?

93tracker5spd

Hello! There are a number of things that could cause this problem, but one of the more common ones for this vehicle is the control switch cluster. Before going out and getting one though, I would check all the AC, Heater and Blower associated fuses, relays and plugs, to be sure there isn't a bad component, or just a lose plug. Good luck. And be careful with the removal and installation of the switch cluster as the clips that hold it are plastic and can brake easily.