1989 Johnson Evinrude "CE" Colt/Junior thru 8 Service Manual, P/N 507753, Page 121Get this manual
STEPSTOP CIRCUIT TEST Elimination Test 1al 1Remove the wire retainer and disconnect stop circuit 1-pin connector"" To avoid possible shock hazard, do not handle ignition coils or spark tester during cranking tests2Crank engine and observe results at spark tester If spark now jumps alternately at each gap, the problem is in the stop circuitGo to Ohmmeter Test If there is no spark at one or both gaps, go to STEP IGNITION PLATE OUTPUT TEST