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JD 3010 24 volt system

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BigMac

05-15-2002 05:12:13




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I have a 1963 John Deere 3010 with the original 24 volt starting/electrical system. What are the advantages and disadvantages of converting to a straight 12 volt negative ground system and how do you perform the conversion?




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Gary Brady

05-15-2002 21:31:05




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 Re: JD 3010 24 volt system in reply to BigMac, 05-15-2002 05:12:13  
I converted my 4020 dieselto 12 volt using the conversion kit from John Deere. I a pleased with how well it starts. I do not have to rock the steering wheel to help it starts as with many of the older 12 volt systems.It spins the motor up quikly. I changed all of the lights to halogen bulbs and it made a lot of difference. It was a pretty simple job.

Best regards,
Gary Brady



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WTW

05-15-2002 08:26:35




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 Re: JD 3010 24 volt system in reply to BigMac, 05-15-2002 05:12:13  
Have to agree with the two previous post. Nothing wrong with a proper maintained working 24 volt system. I never encourage many people to convert the 24 volts systems as they do work good when up in shape. The only reason I would consider converting is if you are going to run add on twelve volt options such as monitors and control boxes allot of the time, then I would consider it. The reason being is independent 12 volt additions will draw on what ever battery they are wired to. The 24 system was designed to charge both batteries in series and independent 12 volt options will draw off one battery throwing the battery condition (state of charge) out of balance and one battery will always be down. With one battery down allot further than the other the 24 volt charging system will never recover the lower single 12 volt battery. The most important thing to maintain on a 24 volt split system is to keep all battery loads balanced. This means to keep all lights wired correctly and working and not to add on independent 12 volt option that require much amperage. Hope you can get what I am saying here. These systems are not that hard to work on, like the other post said just got to think about it before doing! Good Luck Dave W.

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Rodney A. Johnson

05-15-2002 07:39:14




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 Re: JD 3010 24 volt system in reply to BigMac, 05-15-2002 05:12:13  
Make sure that a new 12 volt starter will fit. I also have a 3010 ('62) with original 24 volt system. I priced a conversion kit at around $400, but the kicker was the starter was 4 to 5 inches longer. My 3010 has the square see through fuel filter on the left hand side of the tractor, plus one of the water lines comes out of the block just in front of the current starter. I would have to do a fair amount of modification to be able to fit a starter that is 4-5" longer just to go to 12 volt. I've pretty much resolved myself to being stuck with 24 volt. So far I haven't had a lot of trouble, but it is a real pain when you do have to trouble shoot, as some stuff is negative ground and other things (such as fuel gauge and oil pressure light) are positive ground. So you have to think before you start doing anything electrical.

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G-MAN

05-15-2002 07:38:18




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 Re: JD 3010 24 volt system in reply to BigMac, 05-15-2002 05:12:13  
As long as your system is working properly, there really is no advantage in converting it. However, if you ever have a starter failure, that would be the best time to convert it. Deere offers a kit for converting the system to 12 volt that doesn't cost much more than a new 24 volt starter. The kit includes the starter, generator, wiring harness and installation instructions.



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