You need a 1 ohm 50 watt resistor. that will run the heater correctly if the motor is good. Four ohms is way too much resistance. Nominally that motor should draw around 6 amps so a 1 ohm resistor will be dropping around 6 volts.


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!