The old time installations that I have seen, had them attached to the steering column, usually with tape (tacky or what?). The old flashers had holes in the prongs and the eyeletts of the wire ends were attached using screws and nuts.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!