Ok, I just got my dash back in and I am putting my heater controls back in, but I can not find what plugs into the center one...the one that adjust the heat from hot to cold...I see a red female type plug, but I can not find anything at all that looks like it would plug into that so I can put the knob on...can anyone help me. Also...even with that off, I try to turn my heat on and for some reason it wont work. Will not having that pluged in keep the heat from working. As far as I know there was only one vacuum hose deal that was attatched to the dash when I took it out