I can't get my furnace to turn on. If I have the selector set on heat and the fan on the on position I can hear the relay click when I move the temperature up and down, if the fan is set on auto I h...
is your battery hooked up? Is your power converter plugged in and providing 12v powering? The furnance requires 12v to run... if it isn't getting it from your battery, it has to get it from the converter.