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I have no idea what is meant by KOER vs OFF means. Running the engine first is to get the transmission oil flowing into the lines to and from the oil
But the man has provided a MODEL # and it is JOHNSON model #
(there is no wire on the other side of the micro switch, is that correct?)
Correct, the switch is self grounding... or is supposed to be.
That engine IS NOT as late a model as you are being led to believe. Model/Serial plate being removed is cause to be suspicious. There may be a quarter