Maybe at the higher RPM the alternator has enough output that it back feeds through various paths that it shouldn't. Where at the lower RPMS the output is to low to cause a noticeable problem. All I know is electricity is force that goes by path of least resistance from source to ground. If that path happens to be feeding through ign. system it will go there, possibly causing problems with spark. I may be wrong, someone will correct me, we all learn.
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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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