1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 110Get this manual
2 DR6490
STEPSTOP CIRCUIT TEST
To avoid possible shock hazard, do not handle ignition coil or spark tester during cranking tests
Elimination TestRope
rn 1Disconnect the 4-pin Amphenol connector between start button and ignition module2Connect jumper wires between terminals "A", "C", and "0" of the 4-pin connector3Pull the engine over and observe results at spark tester: If spark now jumps sequentially at each gap, the problem is in the stop circuitGo to Ohmmeter TestStop Button If there is still no spark, go to STEPPOWER COIL TESTElimination TestTiller Electric