2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Manual, PN 5005466, Page 84Get this manual
IGNITION IGNITION TESTS68 Insert jumper wires between the "A," "8," "C," and "0" terminals of the 5-pin connectorMomentarily, press inward on the stop button
Results:
Meter must show low readingRemove the emergency stop switch clip and lanyard
Results:
Meter must show low reading Replace the stop button assembly if test results varyComplete all circuits disconnected during this testDR4185
Ohmmeter TestKey Switch IMPORTANT: All ohmmeter tests must be performed with the engine NOT running Install the emergency stop switch clip and lanyardDisconnect the 5-pin Amphenol connector between the power pack and ignition plateCalibrate ohmmeterConnect meter leads between ignition plate end of connector, terminal "E," and clean engine groundObserve meter with key ON and OFF
Crank engine and observe results at spark tester
Results:
No spark at one gap, go to Power Pack Cranking Output Test No spark at both gaps, go to Charge Coil Test Spark jumps alternately at each gap, the problem is in the stop circuitRefer to Ohmmeter TestStop Button or Ohmmeter TestKey Switch