Don't know about your rig, but on our ACE and some Hurricanes there is not even a drain hose attached. Consequently, the way the "shield" below the drain hose is configured, it acts like a funnel for the headwind which blows up into the evaporator area and can blow moisture through the vent by the passenger's feet. Adding a 5/8" hose to drain the condensate down below usually fixes this issue. See Jerry's Hurricane Mods thread for some pics.
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