What Causes A 1999 Jeep Wrangler Heater Fan To Leak Non Antifreezed Water In to...

[anok2x2]

...The Floor Tub? I Just Replaced the HEater Resisitor. And It Was Corodied.
There IS Water Dripping From The Cowl that Covers the Resistor Area Coming From Some Where Above it. And the Resisitor IS Rusted BAd. What Causes This?
Any Way To Stop or Prevent It?
Thank You

 

[Achmed the Dead Terrorist]

You sure it is not the condensation water dripping while running the ac? Or rain water dripping through the firewall somewhere?