Rimblow horn switch replacement

[wanderlustin]

Anyone have any tips on replacing a rimblow horn switch?  I'd ask our friend up in Canada but I cannot reach him.  He  restored this wheel for me.  Absolutely gorgeous wheel, but a nonfunctional horn takes the fun out of it.

[larry4406]

I downloaded this years ago from I believe a guy known as plumbeeper that I think used to restore rimblow wheels.