1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 111Get this manual
STEPRUNNING OUTPUT TEST
1Twist and remove primary leads from ignition coils
2Use clockwise twist to install Stevens NoTS-77 terminal extenders, or equivalent, on ignition coil primary posts3Install primary leads on terminal extendersObserve proper wire routingOrangeblue primary lead must be connected to the No.1 ignition coilRoute all tester leads so they do not interfere with moving engine parts