1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Repair Manual, P/N 507870, Page 244Get this manual
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AC Lighting Coil Resistance Check
f"2l 2 Connect meter between yellowgrey and yellowblue leads Meter must show 1.21 O.02 ohms
3 Calibrate the ohmmeter on the Rx100 scale and connect