1988 Johnson Evinrude "CC" 9.9 thru 30 Service Repair Manual, P/N 507660, Page 151Get this manual

1988 Johnson Evinrude "CC" 9.9 thru 30 Service Repair Manual, P/N 507660, Page 151

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Step 2 Sensor Coil Running Tests Using C.DVoltmeter and Adapter
APlace the meter black lead in jack "B Place the meter red lead in jack "C Start the engine and run at RPM where problem existsObs