Air Conditioning drain

[Beer, Jerald S.]

On mine, there was a drain that is accessed from the engine compartment.
Stand over the right fender, and back near the firewall, about 2/3 way
down and a few inches in front of the firewall,  there is a black tube.
That was not opened up and once I took care of that, the deluge ceased.
If you can't find it, email and I will look at it over the weekend and
try to give you a better description of where to look. HTH
Regards,
Jerry
91 200qa
97 Cab
94 Cab
 
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I'm running into a problem where every once in a while my '94 cabriolet
will dump a cup or so of cold water on my feet and then blow mist out of
the vents. 
 
I'm assuming it's the drain for the air-conditioning system. How do I
unplug it?