Posted by mkirsch on February 16, 2010 at 06:30:00 from (64.80.108.56):
The Super C doesn't fire until AFTER you let off the starter switch. Apparently the starter is drawing so much power that the spark is weak. I have no problems starting the tractor but it gives everyone else fits.
It's a 12V conversion, with a ballast resistor running to a 6V coil. Works fine when the battery is putting out 12+ Volts, but during starting the battery voltage drops. Different coils don't seem to make much difference.
Later tractors have a booster circuit off the solenoid that puts a full 12V to the coil during starting, but the C has a pull rod starter.
Is there a clever solution for providing 12V to the coil during starting on an old tractor like this?
What I do NOT want is a toggle switch that you have to remember to turn on and off. I'd like something that sends 12V to the coil when you pull the starter rod.
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