Question about 2002 GMC Sierra
I have a 2002 GMC Sierra SLE pickup. The floor vents have stopped opening up so there is no air going to the floor. I had a 1999 Chevy pickup that did the same thing. With both trucks the a/c indicator light went out then the recirculate air light went out. After these things happened, the floor vents stopped working when the knob was turned. With this happening, do you think it is the whole climate control assembly or a motor to the floor vent has gone out. With both trucks having the same symptoms, I am leaning toward the control. Please help before I have to spend a lot of cash eliminating faults.
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