Dealer plugs in whatever diagnostic tools JD supplies, and if it won't "communicate", or whatever it won't do, they are clueless. Believe it or not, the main thing, as I remember now, was someone stuck fuses in most of the slots, we believe were originally empty. After digging right into wire harnesses, we found splices buried in harnesses, where multiple fuses fed one circuit. The whole back of the cab is covered with a bank of fuses, control modules, circuit breakers, relays, etc. Apparently any one model does NOT typically use ALL the fuse slots.
There was also a starting/loss of prime issue. When we discovered the fuel supply and return hoses spliced together at the engine, we were confused. But research at JD parts showed a connector/orifice in the splice. Purchase and installation of that orifice solved that one. However, it still is a good idea to turn the key on, and let the electric lift pump run a bit, before starting.
We obtained some printed service information. We had a stack of paper a foot deep. And we still didn't have all of it. And what we had didn't make much sense.
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Today's Featured Article - Tractor Proflie: John Deere Model R - by Staff. The John Deere Model R, the last of the lettered tractors, was the first diesel-powered tractor produced by John Deere with a gasoline starting engine. It was also the first tractor they produced that had an optional steel cab. The photo above shows the tractor w
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