I have a 2007 Chevy Uplander and The rear a/c floor vents work fine, but no air will come from the overhead vents. All of the air is just coming from the bottom - no matter where the ventilation position selector is set. All of the front vents are working fine. It's just the back overhead vents that won't work!
CB
Did you ever get an answer about the overhead vents on your uplander??
Dean
Have you checked the Aux switch near the bottom of the center control console.
There should be a knob with: Aux, Off, 1, 2, 3. This is the switch for the rear AC blower.
If the driver wants to control the rear AC, use the 1, 2, 3 settings.
If you put it on Aux, Than the rear AC is controlled by the passenger in the back seat using the extra controls located on the Overhead DVD player. (The front AC must be on the rear to work)
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