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Six to twelve volt question

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Bryce Andreasen

01-30-2003 18:44:16




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I have a 1955 farmall 400 gas and want to convert from a six to a twelve volt. The two wires to the generator from the voltage regulator on the left side by the clutch peddle. The one single large wire that comes from the generator, can i just hook up that wire to the posative on my alternator (probably a $48 delco remmy) and the other wire up to the tracotr for a ground? if not, how. and does anyone know where i can find a wiring diagram for twelve volt or who has one?

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Bob M

01-31-2003 06:16:35




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 Re: six to twelve volt question in reply to Bryce Andreasen (Magnum), 01-30-2003 18:44:16  
Bryce - You CAN use the large wire running to the generator, providing it's still in good condition: At the front end, connect the wire to the alternator "BAT" terminal. At the voltage regulator, disconnect the wires from the regulator BAT and GEN terminals, and connect those two wires together. (Be sure to tape the connection securely to prevent it from grounding!) You will now have the path from the alternator thru the ammeter to the battery. (Note: If your tractor was orginally positive ground, you will also need to swap connections at the ammeter - otherwise it will read backward...)

Incidentally you don't need to ground the alternator - it will be adequately grounded through the mounting bracket.

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steve

01-30-2003 19:45:56




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 Re: six to twelve volt question in reply to Bryce Andreasen (Magnum), 01-30-2003 18:44:16  
I will send you a 12 volt diagram for tractor conversion. You can not use the generator wires. THey go to the voltage regulator. You want a Delco alternator with internal voltage regulator. Big wire on back of alternator goes to the battery (ampmeter first). two small wires are power and signal. Signal wire must be switched off with key when notor is off. Look at the picture i send.



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