1998 Johnson Evinrude EC 50 thru 70 HP 3-Cylinder Service Repair Manual P/N 520208, Page 135Get this manual
Quality of the image is intentionally reduced!
LI-=DR"'"414
clean engine ground
4 If reading is indicated in Step 3, go to Output Test
Output Test
1 Set peak-reading voltmeter to "POS" and "5", "SEN" and "5"