Putting a resistor in the ignition circuit reduces the voltage to the coil/points. If it is 12 volt, and has a 6 volt coil it will need a resistor to keep it operating. While starting, a resistor can be bypassed to allow starting on cranking voltage. Run a wire from the starter button to a 5 amp diode, then to the coil side of the resistor. This prevents reverse flow of voltage that would make the starter continue to operate. If it has a mecanical starter switch with a lead going to the starter motor the wire/ and diode can be spliced to that. The diode should be set so its polarity lets voltage flow to the coil, and not the other direction. I do not know the configuration of your system, or its ground polarity so I cannot tell you which way the diode faces except as above. Jim
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for �200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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