https://www.brickboard.com/RWD/index.htm?id=1677440&show_all=1

This was water in the cubby, dripping onto the relays and finally causing electrical problems.

P.O. may have has this problem because there was a ton of butyl under the cowling which I finally removed (3 hours)using a knife which I bent at a 45deg angle.
Did a soapsuds test with compressor air blowing around the window interior. Nothing.

Went a little deeper and loosened the wiper mechanism looking for rust or anything else. There is a bolt that holds the wiper mechanism in place right over that cubby hole and relays.

Returned the bolt with a little silicone and results were, no more leaks. I had to replace a few fuses and clean some relay contacts. (Reminds me of the water leaking on 240 fuses.) DeoxIT helped out quit a bit. Got the brake lights working again and no idiot lights.

(I have to try DeoxIT on the darn window switches)

Tom