Pro gator 2020a questions

White halftrack

New member
Hoping someone here is experienced with the progators. I have a 2000 2020a pro gator. It has the three cylinder Yanmar engine it. I am generally good with engines but not electrical.
Engine runs but only runs on two cylinders. The middle cylinder does not spark. There are three coils and I switched the coil from a good one to the middle and the middle to the other and the middle does not spark still and coil works on the other cylinder. Spark plug is good. I only have a test light and there is power to the coil and pulsing power out of it but when the wire is hooked to it no pulsing. Wires go to a transistor but odd that two of three are good. Any ideas?
Any help appreciated.
 
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I would check the engine ignition pulsers and the wiring going to it. Make sure there are no insulation breaks. Make sure the clearances are correct.

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