Prolonged running of a six volt coil on 12 volts will probably overheat it and damage it. If there is too much current it could also cook the points but I am guessing that won't happen.


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!