Topic: Re: JD 4010 gas voltage.
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You ask a common question and misunderstood part of the point and condensor ignition system. Your 4010 should be wired to start on 12 volt going to the points during starting and runs on 6 volt. This is accomplished in on of two ways. The most common and used on your 4010 is the use of an external resistor. your ignition voltage is reduced to 6-8 volts during normal operation this keeps the coil from overheating, damage to the capacitor and pre mature point failure. During starter operation you have a hot wire activated from the solenoid to bypass the resistor and shoot 12 volt to your coil and points. Sometimes you will find a 12R (built in resistor) coil installed with an external resistor really messes up a good system. I found to really make thhose old gassers respond spend the 200 bucks on a electronic ignition and matching coil. Those 4010's can start faster than a diesel and respond without being cold blooded if updated.
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