I have a 73 4/4. All of my switches have had problems, causing lots of different issues. I carefully took each one apart and cleaned it. Never a problem since then.

Just take your time with the disassembly. They are a bit fragile.


Paul

1973 4/4 "Henry A"
1953 +4 Flat Rad "Pug"
1984 Citoen 2CV Special "BeBe"
https://morgan34.org/