1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 314Get this manual
AC Lighting Coil Resistance Check, 20-30 rJl1Calibrate an ohmmeter on appropriate scaleConnect it between yellowgrey and yellow leads Meter must show 0.86 0.05 O2Connect meter between yellowgrey Meter must show 1.21 0.02 ODR4159
and yellowblue
f513Calibrate ohmmeter on appropriate scaleCo'nnect one lead to clean engine ground Probe each of the connector pins with the other ohmmeter jumper wire The ohmmeter should show high reading