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Re: Alternator wiring for 12V conversion?
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Posted by Zimmerman on April 18, 1999 at 09:40:13:
In Reply to: Alternator wiring for 12V conversion? posted by Paul on April 18, 1999 at 03:24:37:
I did this same conversion about a year ago. I believe the terminal marked "R" on your
alternator needs to be connected to a source of switched power. This means it needs to be
connected to a place in the wiring harness that becomes hot only after the ignition switch is
turned to the on position. You should wire the ignition switched "+" back to the "R" terminal, not the "F" terminal. The "F" terminal on the alternator needs to be connected to a source
of constant power. It needs to have power going to it all the time, even when the tractor is
just sitting. The "F" terminal can be wired to the bat. terminal right on the alternator or to
any other spot in the wiring harness that is constantly hot. Hopefully this helps out some. If
the alternator is wired properly, you should be able to check the voltage at the battery when the
tractor is running and get a reading of about 14 volts. Hopefully this helps some, keep me posted!
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