1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 126Get this manual
8 DR4619 DR4620
STEPCHARGE COIL TEST
Ground Test
1Disconnect 5-pin Amphenol connector between ignition plate and power pack
2Set peak-reading voltmeter to:
9.915"NEG" and "500" 20 thru 30"POS" and "500"
3Alternately, connect voltmeter between ignition plate connector terminals" A", "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