If you think a 24 volt system on a JD tractor is positive ground because in REALITY it's not positive ground save yourself some AGONY and just change electrical system over to TWELVE VOLTS.:wink:
PS: 4010 didn't come from factory with a 24 V alternator so no factory wiring diagram is available.
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Today's Featured Article - Updatin The Charging System of Your Older Tractor - by Tyler Woods. Older tractors have externally regulated generators or externally regulated alternators, in some instances. That means there is one device that turns energy from the fan belt into electrical energy,
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