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640 Ford - 12 Volt Wiring Diagram

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640 Ford - 12 Volt Wiring Diagram

After searching archives for info on wiring diagram for 12 volt conversions for 600 series Ford tractors and finding bits and pieces here and there about several different models I decided to just jump in and do it. I finished it and thought someone else might use what I learned. So I drew this wiring diagram from my experience. Hope it can be of help to someone. Please let me know if you find any problems or errors. David

Submitted by David Grigsby, from AL

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