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Wiring Diagram-Yamaha 4.3L

Need help identifying the wiring on a 4.3L oil pressure switch. White wire is on the normally open. Purple wire is on Common. Yellow with red trace is not connected. Where does yellow w/ red trace go?
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Yellow/with red tracer usually goes to the small solenoid post to activate the starters solenoid. nothing to do with a pressure switch. If you have an electric pump most likely the White goes to the pump. Purple is ign 12 power .oil pressure closes the switch and pump runs. a third wire is on the outer most small post to provide power only during cranking and goes to the normally closes position
 
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