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Does that actually shut the fan off or just give you cooler air???
i dont have that, i just have panel, floor, defrost etc. and off low med high, thats it, no internal or external but when both switches are off, it still blows air when the trucks moving, but when its stopped im pretty sure it doesnt blow air, i can tell you which yet cuz its still cold here in maine so i always have the heat on lol
some of the older ones had em, they move the intake air for the heater from inside the cab to fresh outdoor air. if you set it to fresh air, while driving, it will constantly force air through the heater core and through your vents, its like heat, without the fan on. it has nothing to do with the fan though. did you guys think i made that up?
sounds like your mode door is stuck open. at least put the slider to blue, not red.i dont have that, i just have panel, floor, defrost etc. and off low med high, thats it, no internal or external but when both switches are off, it still blows air when the trucks moving, but when its stopped im pretty sure it doesnt blow air, i can tell you which yet cuz its still cold here in maine so i always have the heat on lol
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