Posted by wisbaker on January 01, 2022 at 12:20:00 from (173.30.33.249):
In Reply to: Re: John Deere 730 posted by Tx Jim on December 31, 2021 at 08:48:12:
And often they were replaced by a 12 volt battery that was no where near the amperage that the 2 6 volts had. I never found much difference between a positive ground and negative ground system. If it's having problems test and observe I doubt that changing the polarity is going to effect much. The only reason I would change is if I was changing out the generator and the one going in was designed for a negative ground system or needed to run something that was negative ground only. Your tractor is about 60 years old check the cables and connections, make sure they're the right size and verify what ever battery(s) you have are pretty close to what the factory specified when they built it.
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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