1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 120Get this manual
STEPSENSOR COIL TEST Ground Test
1Disconnect 6-pin Packard connector from ignition module2Attach 6-pin Packard test adapter from OMC Ignition Test Kit, PI 434017, to engine harness connector
INote Engine harness lead colors and test adapter lead colors do
not matchWhen testing particular engine harness lead, be sure to use appropriate test adapter lead according to connector terminal location3Set peak-reading voltmeter to "POS" and "5", "SEN" and "5" on Stevens CD-77 meter
4Alternately connect meter between bluelwhite lead termi nal "C", white lead terminal "0", 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 coil5If no reading is indicated in Step 4, go to Output TestOutput Test