Posted by Steve@Advance on February 03, 2020 at 19:32:58 from (66.169.147.211):
In Reply to: MC crawler posted by Don Ober on February 03, 2020 at 09:54:41:
The 10SI series Delco is the most common and economical alternator choice.
There are probably kits available, but the kits are notorious for being "not quite right", so if you do get a kit, be prepared to do some fine tuning to get it to fit.
And fit is critical. The alignment needs to be correct, the bracket needs to fit the base of the alternator so the bolt can be tightened securely without stressing the bracket, or leaving the alternator loose.
The pulley width can be an issue too. Most automotive pulleys are narrow, while old tractors use wide belts. Since the existing pulleys will stay, it is necessary to find a wider pulley for the alternator. Wide pulleys are readily available.
As for the electrical, the 12v battery will need to be connected negative ground, the regulator removed, the amp gauge wiring reversed (if equipped), the coil polarity reversed, either a true 12v coil installed, or a 1.5 ohm resistor installed between the ignition switch and the coil.
As for wiring the alternator, there is a "one wire" version available, which is as it says, just one wire. There is also a 3 wire style. It requires a little more wiring, but is still simple to do.
Keep in touch with any questions, it's not difficult.
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