1991 Johnson/Evinrude EI Outboards 2.3 thru 8 Service Manual, Page 129Get this manual
STEPIGNITION MODULE RUNNING TEST CJ 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
ote Route all tester leads so they do not interfere with moving engine parts1Set PRV to "NEG" 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
ote Route all tester leads so they do not interfere with moving engine parts2Connect meter black lead to clean engine groundStart engine and run at RPM where problem existsr:J3l3Hold 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