Passenger-side Carpet Wet from A/C

The a/c condensate drain line appears to be clogged because the passenger side carpet is always wet. Where is the drain line for a 1993 Chevy Lumina?
Thanks.

W cars have a nipple on the drain tube- center of firewall, in indentation- pull of rubber elbow- watch water pour out- the cut nipple off- and re-install rubber elbow. Use your left arm to feel down in behind alternator- then reach for drain tube elbow.