1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 106Get this manual
STEPCHARGE COIL TEST
Ground Test
[] 1Disconnect 5-pin Amphenol connector between ignition plate and power pack
2Set peak-reading voltmeter to "NEG" and "500"[] 3Alternately, connect voltmeter between ignition plate connector terminalsA", "0", and clean engine groundCrank engine and observe meter at each connection Any reading on either test indicates charge coil or leads are grounded Locate and repair ground, or replace charge coil
4If no reading is indicated in Step 3, go to Output TestOutput Test