1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 105Get this manual
STEPSTOP CIRCUIT TEST
Elimination Test
InTo avoid possible shock hazard, do not handle ignition coil or spark tester during cranking testsIT]
1Disconnect 3-pin Amphenol connector between start button and ignition module2Crank engine and observe results at spark tester If spark now jumps simultaneously at each gap, the problem is in the stop circuitGo to Ohmmeter TestStop Button or Ohmmeter TestKey Switch If there is no spark at one gap, test ignition coil If there is no spark at both gaps, go to STEPPOWER COIL TEST