I use my 6 volt horns on my 51 , that is converted to 12 volts. I replaced the relay with a 12 volt one. I would suggest that it is a good idea to change the relay.


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!