Turn signal switch / hazard knob
 

Hello Sirs, I'm from germany and I own now a Le Mans from 1968 just for a few weeks.
There are many things to do, first of all, I bought a hazard knob, because there wasn't one.
I disassembled the steering wheel and found out, that the thread from the hazard switch
https://cimg7.ibsrv.net/gimg/www.pon...df0a1a430a.jpg
https://cimg3.ibsrv.net/gimg/www.pon...f6f8cf812c.jpg
was about 10mm too deep in the housing....
Does anybody have a solution ? (Maybe drill a new hole ? Can't find another turn switch unit for this car...)
Regards: Peter