1996 Johnson/Evinrude Outboards 8 thru 15 Four-Stroke Service Manual, Page 104Get this manual
STEPIGNITION MODULE TEST
1Prevent accidental starting of engine while testing; twist and remove all spark plug leads
2Twist and remove primary lead from ignition coil3Connect primary lead to Stevens Instrument load adapter NoPL-88 red leadConnect adapter black lead to clean engine groundIf Stevens Instrument NoPL-88 is not available, you can make an adapter using 10-ohm, 10-watt resistor, Radio Shack No271-132, or equivalent4Set peak-reading voltmeter to "POS" and "500"