1932 Horn rod froze??

[GSCOV]

So I have a 1932 survivor car and the last owner went to put the lights on one day and broke the little handle off. It is stuck pretty darn good. I am familiar with the set up and looking for a reason that this would happen. I have owned 30 early Fords and never seen this. Right now when you turn the wheel the lights go on. I tapped the center light switch both ways and it is tight tight. Going to pull the rod out tomorrow. The horn button works fine.