The heater is a harder one to drop the voltage on because the dropping device needs to give off a lot of heat. For a resistor setup for the heater you would want a 1 ohm rated at 50 watts.


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!