K Ken Guest Jul 24, 2008 #1 My AC/Blower only runs when it is on 4 which is high. When it is on 1, 2 or 3 it doesn't work. It is the same for the AC, heater and fan.
My AC/Blower only runs when it is on 4 which is high. When it is on 1, 2 or 3 it doesn't work. It is the same for the AC, heater and fan.
S steven60516 Guest Jul 24, 2008 #2 Could be a few things blower motor, blower fan switch/relay or you HVAC control unit.
