Posted by John T on March 23, 2019 at 07:24:26 from (174.255.200.10):
In Reply to: Resistor question posted by Grandpa love on March 23, 2019 at 06:00:18:
NO the 0.8 ohms is too low. Ideally to drop 6 volts across a 6 volt coil on a 12 volt tractor you need a 50/50 voltage divider meaning the ballast resistor is about the same ohms as the coil IE many (not all) old tractor ballast ignition resistors are somewhere around 1.4 to 1.8 ohms NOT 0.8. Many (not all) old tractor 6 volt coils are around 1.2 to 2 ohms (1.5 is a typical) GET A HIGHER RESISTANCE (1.2 to say around 1.8 ohm) BALLAST
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