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Yard Master & Research
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I am seeing a dual post here. Here are the diagrams. They are all very similar.

If you clean the drum connections it may help.

I merged all your threads. Do you have pictures?

Your fender has a reverse unit. The cylinder can be called a drum. When the drum rotates it will change the direction of the engine with a neutral state between directions. The fingers are the electrical contacts that touch the drum.
 
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