Nope. The regulator needs to be 12v. The regulator still needs to be connected Arm on gen to Arm (or Gen) on the regulator. The Field (F) terminal needs to be connected to te F on the Gen. If the regulator is designed for Positive ground, it will either not work, or not work for long on negative ground. Some regulators (US made) can be used on + ground or negative ground. Make sure before purchase. The only changes needed are: 1) Battery reversed 2) amp gauge reversed 3) Light bulbs changed 4) New generator polarized before starting the engine (with all things connected, and the key off, jump a hot wire to the generator ARM terminal, it will spark, hold for one second, then remove (more is not better)). This places magnetism in the field"s iron poles so it charges in the correct polarity. Jim
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Today's Featured Article - Oil Bath Air Filters - by Chris Pratt. Some of us grew up thinking that an air filter was a paper thing that allowed air to pass while trapping dirt particles of a particles of a certain size. What a surprise to open up your first old tractor's air filter case and find a can that appears to be filled with the scrap metal swept from around a machine shop metal lathe. To top that off, you have a cup with oil in it ("why would you want to lubricate your carburetor?"). On closer examination (and some reading in a AC D-14 service manual), I found out that this is a pretty ingenious method of cleaning the air in the tractor's intake tract.
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