1995 Johnson/Evinrude Outboards 50 thru 70 3-cylinder Service Manual, Page 137Get this manual
STEPRUNNING OUTPUT TEST
1Twist and remove all primary leads from ignition coils1231 2Use clockwise twist to install on ignition coil primary posts
Stevens Instrument NoTS-77 terminal extenders, or equivalent,
1231 3Install primary leads on terminal extendersObserve proper wire routingConnect orangeblue lead to No.1, orangepurple lead to No.2, and orangegreen lead to No.3
INote Route all tester leads so they do not interfere with
4Set peak-reading voltmeter to "POS" and "500"
moving engine parts