1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 108Get this manual
12 DR4621 DR4622
STEPSENSOR COIL TEST
Ground Test
1Disconnect 5-pin Amphenol connector between ignition plate and power pack
2Set peak-reading voltmeter to "NEG" and "5", "SEN" and "5" on Stevens CD-77 meter3Alternately, connect voltmeter between ignition plate connector terminals "8", "C", and clean engine groundCrank engine and observe meter at each connection Any reading indicates sensor coil or leads are grounded Locate and repair ground, or replace sensor coil4If no reading is indicated in Step 3, go to Output TestOutput Test