So my air conditioning went out about a week ago or so. I have tried replacing the ac compressor relay which wasn't the problem. My air conditioner now is at least coming on. But when you try to change speeds it doesn't do anything, even when you turn it off the thing still blows air. I think it is either the blower motor or the climate control unit itself. I know how to get to the blower motor, but how would one get to the climate control unit itself? Any help would be much appreciated.