1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 304Get this manual
AC Lighting Coil Resistance Check
INote This test is made with an ohmmeter and jumper wires to
insert into the AC lighting connectorr;] 1Calibrate an ohmmeter on the Rx1 scale and connect
between yellowgrey and yellow leads Meter must show O.86O.05 n
2Connect meter between yellowgrey and yellowblue leads Meter must show 1.21 O.02