Randy, if you havent already looked, make sure you check your spare wheel well for water.
Mine had a huge puddle in it, even though the lining under the tailight was only slightly wet, and seemingly nowhere else.
I have also taken the rubber plug out for the time being so as not to retain any water that might get in, till the problem is fixed.
It just started raining here again, so i've parked my car outside.
Hopefully, i will have some positive results to post later.
In the meantime, does anyone know how much it would cost to get the lights removed and resealed?
I tried getting them off, but had no luck, they're stuck tight with that black sikaflex stuff.