1998 Johnson Evinrude "EC" 2 thru 8 Service Repair Manual, P/N 520202, Page 243Get this manual
Quality of the image is intentionally reduced!
Rectifier Ohmmeter Tests
2 Calibrate ohmmeter on appropriate scaleConnect one lead to clean engine ground Connect the other lead to the rectifier yellowgray leadNote the readingReverse the ohmme