Model 40 Wiring Diagram

This wiring diagram comes from Service Manual SM-2029, available from John Deere by calling 1-800-522-7448. The manual also contains other wiring diagrams along with additional information regarding servicing your magneto and other electrical components, as well as cross-reference charts showing the application of the various electrical components. If you do any of your own work on your antique John Deere tractor, I highly recommend you purchase this manual!

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Model 40 Wiring Diagram