Let the smoke out of the dash a few weeks ago. Looks like the heater switch was the culprit. I think somehow the wiper arm hit those coils.
http://www.flickr.com/photos/22133917@N06/2380736267/sizes/l/
Question is, a replacement switch from classic parts looks more original, but still has those coils on top.
http://www.classicparts.com/prodinfo.asp?number=68-322The one from Brothers looks much different.
http://www.brotherstrucks.com/prodinfo.asp?number=HSW59DXI'd rather get the one from Brothers as it is covered. Anyone have experience with either?