1988 Johnson/Evinrude "CC" 40 thru 55 Models Service Manual, Page 274Get this manual
AC Lighting Coil Resistance Check
INote This test is made with an ohmmeter and jumper wires to
insert into the AC lighting connector
1Calibrate an ohmmeter on the low ohms scale and connect one ohmmeter jumper lead to the connector yellow grey lead Connect the other ohmmeter jumper lead to the connector yellow lead Ohmmeter should read 0.86
IEll- -813354 -'