Originally Posted by lrd56
in order to get my defroster to work in my 96 ranger.the ac comes on .anybody know why.i want to defrost the windshield but dont want to lose what little mpg i alrady have.
The reason the A/C comes on is to dehumidify the air that's blowing out. There's nothing you can do about it. That's how it's designed, for good or for worse.