There are an assortment of issues here: It was not 12v from the factory, so it isn't "stock" but that is OK. One polarizes the generator by jumping Bat to Gen on the regulator. (the VR is not polarized by jumping it might have polarity if it has solid state parts in it, and some new VRs do, but it is usually able to charge either polarity. The charge rate is a little high at 16v but two other things are important. The use of a DMM is frequently impossible on these unless you pay for a Fluke meter or equal. THe sample rate of the meter grabs information on a noisy (irregular to beat the band) voltage source, and will not average the spikes or valleys it encounters. An analog meter with a needle is usually the much more accurate answer. A bad Vr would cause a bat to drain, but it would also heat up wires and heat the generator, if it did. Thus the drain is either a light that is on, the ignition switch is not turning off all the way, or (most likely) the battery has a bad cell in it. I would check the battery first. It is easy, charge it up with one terminal disconnected from the tractor, then let it sit for a few days and measure the voltage. The DMM will work here! If it is less than 12v, and will not start the tractor,, it is bad. I think the charging system may be OK. Good luck, Jim
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Today's Featured Article - Tractor Profile: Allis-Chalmers Model G - by Staff. The first Allis-Chalmers Model G was produced in 1948 in Gasden, Alabama, and was designed for vegetable gardeners, small farms and landscape businesses. It is a small compact tractor that came with a complete line of implements especially tailored for its unique design. It featured a rear-mounted Continental N62 four-cylinder engine with a 2-3/8 x 3-1/2 inch bore and stroke. The rear-mounted engine provided traction for the rear wheels while at the same time gave the tractor operator a gre
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