Here is a recent post on that subject that may help. [Click]

The wire you found coming from the steering column is connected to the horn button on your steering wheel, which makes the final ground to sound your horn.

Last edited by Phak1; 02/24/2020 2:34 PM.

Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
Project Journals
Stovebolt Gallery Forum