1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 123Get this manual
Ohmmeter TestStop Button INotel A.II ohmmeter tests must be made with engine NOT runnmgf41 1Most steering handles contain combination stop button emergency ignition cutoff device When the clip and lanyard is removed, the emergency ignition cutoff device is in the STOP position;
When the clip and lanyard is installed, the emergency ignition cutoff device is in the RUN position To STOP the engine when the clip and lanyard is in place, press inward on the button 2Install the clip and lanyard3Calibrate an ohmmeter on Rx100 scaleConnect meter leads between stop button 1-pin AmphenoJ connector and clean engine ground The meter must show no continuity00