http://www.bobsclassicchevy.com/195...umn-bearing-impala-passenger-250186.html

The wire going up through your mast/column (which will be connected with your bearing) will look like the above.
That wire goes to the relay and provides the horn switch function.
Jon


~ Jon
1952 1/2 ton with 1959 235 | T5 with 3.07 rear end