[mrtexas]

A few shots of my 41 horn. There is a wire that is from the horn button and comes out the end of the steering column.

left steering column
center front wiring harness
right horn

I "updated" to 12v as batteries are easier to find. Just change a few light bulbs and get a 12v to 6v dash gauge voltage drop for your gauges. Wires to relay.