1989 Johnson Evinrude "CE" Colt/Junior thru 8 Service Manual, P/N 507753, Page 136Get this manual
STEPIGNITION MODULE RUNNING TEST Make all running tests at the engine RPM where the intermittent or high speed ignition problem existsThe correct RPM can have an effect on identifying the problem
all tester leads so they do not interfere with moving engme parts
1Set C.Dvoltmeter switches to "-" and "500 Twist and pull the primary leads off the ignition coilTurning in clockwise direction, attach terminal extenders to the primary terminals of the coilReconnect primary leads to terminal extendersObserve wire routing: orangeblue lead to the No.1 (top) cylinder
all tester leads so they do not interfere with moving engme parts
2Connect meter black lead to clean engine groundStart engine and run at RPM where problem exists19l 3Hold the meter red lead against metal part of the No.1 coil extenderDo not hold metal part of meter lead when engine is operatingStop the engine Meter should indicate continuous reading of 150 volts or higher