Wire coming out of floor into furnace
Posted: Fri Oct 02, 2009 9:16 pm
I have an E1EH-012HA furnace in my house i have the wire that runs to the thermostat installed correctly but there is a cable that has a red, white, and blue wire in it that appears to run to my air conditioner outside and i need to know which wire goes where. i know the blue one wasnt being used at the time it was disconnected but without this wire, the "auto" setting on my thermostat wont work, only the fan on mode will