The wire coming up the steering column connects to the bearing at the top of the steering column. When installed, the bearing has a brass ring looking out of the column tube that mates up with the horn button brush/spring that touches the bottom of the horn contact plate. The horn button mounts on the top of the horn button plate. When you push the horn button you supply a ground for the horn.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
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