2166 High Voltage
Hi,
I have a Cub Cadet 2166 (13A-254G100) with a Kohler Command OHV 16.0HP Model #CH16S and I wonder if anyone can help me figure out why my charging system seems to be generating to much voltage. I’m on my 3rd PTO clutch and the only thing I can figure out is that the voltage going to the PTO (14.5 DCV) is burning them out. The other problem is blowing the 25A main power fuse on a regular basis which is probably because of the same issue.
I have tested and replaced the battery, regulator-rectifier, relays, and PTO switch. None of these components tested poorly, but I am desperate, so I swapped them out. I have cleaned and tested every connection I can find and have good ground on every connection. I have not replaced the stator because it is putting out 39.5 ACv when the engine is running at full throttle which seems to be in-spec. I also have not touched the Spark Advance Module because I don’t know anything about how it might contribute to this problem.
I put together the attached diagram showing what the readings are in various places in the harness and would appreciate if anyone has an idea as to what I can do to bring the voltage down.
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