kind of a crap picture, but my piss in the wind diagnostic would be the evap drains. do a google search or search here, they're sort of a foam hose that deteriorates and flood the cabin with water when it rains. somewhat of a common problem with age.

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Allen Kroliczek
Oak Grove Autosport | Oak Grove Autosport
01 G500, 82 300TD, quite a few more.....