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IN | I think first thing I’d check is all grounds that you can find clean them up make sure they are tight. Maybe check your battery negative cable connections as well could be broke at the connection. If that doesn’t fix it look real hard at your arm rest wires where they come in the floor and through the seat. I know you switched the boards and that didn’t help but maybe a frayed or broken wire splice could be the culprit. Had a broken factory splice on the arm rest wiring on a 7920 that would throw random codes and set itself in park randomly. Just some things I’d check first. Couldn’t find the wire ourselves but the tech came out and took the armrest wiring all apart and found the factory shunt was loose almost broke in half. Just the right bump and it sent the whole thing nuts. | |
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Mechanical Issues John Deere 9360r
