Posted by JD Seller on February 15, 2015 at 12:08:29 from (208.126.198.123):
In Reply to: 24V alternator on 4010 posted by hunter64 on February 15, 2015 at 10:38:16:
The trouble is that the JD 24 volt system is a hybrid not a true 24 volt system like the military uses. Your JD 4010 actually is two 12 volts systems. One 12 volt positive grounded and one 12 volt negative ground. The starter is the only thing that actually sees full 24 volts.
Your electric shop told you wrong there are three terminals on the starter. The one on the solenoid is actually twelve volt. IF you have ran the tractor much you may have burnt some things up. Like all of the light bulbs. There is small ground wire on the left battery that has to hooked up or the lights see 24 volts and you burn the bulbs out.
I really do not know how you would wire a 24 volt alternator to a JD system and have it charge both batteries.
Like the others have posted you really should just change it over to 12 volt. The kits are available at a fairly reasonable price now.
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