This is a follow up to my previous post. The upper mast bearing I got from one of the Chevy truck suppliers was a Danchuk repop and said '55-57 Chevy on it. It came with a spring and a small cup that fits inside the end of the spring: are these two parts used on a '41 Chevy truck since this kit was obviously made for the '55-57 Chevy? In my bag of old crusty parts that originally came out of the top of the steering column there wasn't any spring or cup like this: just the larger spring that went under the horn button plate on top of the steering wheel.

I still can't get any sound at all from the horn when everything is put together.