An open circuit in the sensing circuit can "fry" the diodes. Removing a battery cable while the engine is running creates the same problem and the same results. The sensing or feedback circuit "reads" the output voltage of the alternator. An open circuit means that the sensing circuit reads "zero" and the built-in regulator boosts output voltage to try to get the proper voltage at the sensing terminal. The voltage in such instances can easily climb to over 120. Check your wiring carefully, in every detail.
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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