Interesting because that which you posted is about the best written destructions I've seen. Complete with some troubleshooting hints............They go into detail about the IGN2 wiring WHICH IS WHY I am always "bitchin" about this incorrect diagram that shows the "start" wire with no explanation, and so far as that goes, is incorrect
BELOW IS INCORRECT (yellow start wire)
View attachment 1715788006
ABOVE IS INCORRECT