1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 120Get this manual
1 DRC6336
STEPPOWER PACK OUTPUT TEST
To prevent accidental starting of engine while testing, twist and remove both spark plug leads
1Twist and remove primary lead from ignition coil2Connect No.1 ignition coil primary lead to Stevens load adapter NoPL-88 red leadConnect adapter black lead to clean engine ground
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Stevens NoPL-88 is not available, you can make an adapter using 10-ohm, 10-watt resistor, Radio Shack No271-132, or equivalent
3Connect peak-reading voltmeter red lead to adapter red lead and meter black lead to clean engine ground