I don’t use the heat much down here in Louisiana but lots of A/C. When I do use the A/C, I get plenty of cold air out of the center vent. An 81 XJS so the center vent has a stupid setup. So now in the winter and have sold it I thought I would put the warmer thermostats in it since it is going up north.
I started it up, put it on 75 degrees and it comes out the side vents, foot vents and the defrost vent. I watch the levers on the passenger side and they both move. Opening the center for cold air (A/C) and closing it for heat. Is that right? As I move it through the temp settings I reach the point where the heat comes on or off so that seems to be working as well. Not really sure what that lower slide left or right lever is for under the radio though.
At some sort of central temp setting the fan slows but move it and they spin faster for either extreme cooling or heating. High speed setting works as does low speed. So, is my center vent working as its supposed to?