1993 Johnson Evinrude "ET" 2 thru 8 Service Manual, P/N 508281, Page 135Get 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, PIN 434017, to engine harness connectorEngine 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'sl 4Alternately connect meter between bluewhite 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 grounded Locate and repair ground, or replace sensor coilare