Re: 6 to 12 volt conversion

Posted by Jon Hagen on September 24, 2000 at 21:44:43 from (63.160.195.16):

In Reply to: 6 to 12 volt conversion posted by Gerald Lee on September 24, 2000 at 19:54:24:

First thing is make sure the battery is installed for neg ground. If you have a one wire alternator you need to run a 10 or 12 guage wire ( depends on the amp rating of the alternator) from the bat terminal on the alternator rear to one post of the amp guage. You hook the light switch to this same terminal. Run another 10 or 12 guage wire from the other amp guage terminal to the pos battery terminal( a good place is at the starter switch). If the amp guage reads backwards you need to switch the wires to the oposite post on the guage.
If the alternator is a Delco 10 SI with one wire regulator that has not been used for a while you may have to flash the field to get it charging. The safest way to do this is get a replacement GM alternator plug( 74-85) at an auto parts store and plug it into the #1-#2 slot in the alt side, with the engine running at idle touch both wires from the plug to the bat terminal on the alt rear.
If you need to do this field flash trick every time you start the tractor you may not have a 1 wire alternator, in that case you need to permanently wire the #2 wire in the alt plug to the bat terminal, and the #1 wire to a toggle or push button switch to connect it to the battery. With a button switch you need to push it for a moment after starting the tractor to start the alternator.With a toggle switch you must remember to turn off the switch when you park the tractor or the next day you will have a dead battery.
If your alternator is other than a Delco, post what it is and I will try to help with wiring.

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