1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 314Get this manual
";1 5Connect 12-volt source to the relay "S" terminalsUse an ohmmeter calibrated on high ohms scale or continuity light to test for continuity on relay terminals "8+" and "M" The meter must show continuityf61 6Leave the 12-volt source connected to the "S" terminalsConnect meter leads to relay terminals "8-" and "M" The meter must show no continuity7If your results vary, replace the relay ( 12V)-