John Deere 6 Volt Positive Ground Wiring Diagram The older 4020 diesel tractors had a strange 12 volt system. It was 12+ , 12- . The Generator has a negative and positive output to the corresponding battery. If someone changed a wire or a switch it could cause bad things to happen. You need to find a early wiring diagram and check the wiring.
John Deere 6 Volt Positive Ground Wiring Diagram 1984 John Deere 212 In the early 1900s, there were two schools of thought when it came to wiring and ground systems. For those that want 12 volt alternators but want positive ground - most alternators can be converted to positive ground. They can also be converted for 6 volt system use.
John Deere 6 Volt Positive Ground Wiring Diagram NOTE to all those that think EVERY manufacturer did the negative ground update: John Deere, in all their glory, did not do that until they brought out their 4020, somewhere around 1963!!! Can you imagine a 24 volt positive ground system??? That is what was used on the 4010 diesels.
John Deere 6 Volt Positive Ground Wiring Diagram John Deere M wiring diagram? It looks like you completely rewired you John Deere M. I can order a wiring harness, but would prefer to do everything myself with the proper gauge wire. Disking bean ground trying to work out the bugs on the 880 carb. What Did You Do Today? Today, 04:04 PM.