can someone point me to a diagram that illustrates the position of the vent flaps with regard to the ccu button? I cant seem to figure out why I cant get air out of the lower dash vents. The vacuum pod is good and the electric solenoid clicks when I give it power. I did have to replace the vacuum pod diaphram on the pod to the left in behind the glove box. I believe it is the defrost door, however no matter what button I push it never moves.

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1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)