Re: 6 Volt Alternators

Posted by Hugh MacKay on August 24, 2006 at 01:45:57 from (216.208.58.137):

In Reply to: 6 Volt Alternators posted by Craig Thoricht on August 23, 2006 at 17:45:52:

Craig: I've had one of those 6 volt alternators in my Farmall Super A since 1992. It works very well and has been trouble free. In fact, just this spring I replaced the 6 volt battery I put in new back in 1992. Frist time I ever got any battery 6 or 12 volt to last over 10 years. I might add my Super A has seen a good many -20 to -30 cold morning starts in the past 15 years.

The 6 volt alternator is an easy change over. Just change the tractor from pos ground to neg ground and add the alternator. Most Farmalls will have an extra wire in the harness when you change to alternator. I use that extra wire for exciting the alternator by use of a push button type switch at dash. Just put the push button in circuit, same place as the scientific guys install their diodes. All it takes is a quick push of button after start up to start charging. With the push button, no danger of leaving it on causing feed back when tractor is not running. The push buttom will give many more years of trouble free service than diodes. I don't know if you can even find a diode for 6 volt. Given the trouble I had with them on 12 volt systems, I didn't look very hard. I can tell you my 12 volt tractors currently all have to push button, and I have a box full of diodes and lights.

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