1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 288Get this manual
Rectifier Ohmmeter TestsAmp Models
Disconnect battery cables before proceeding with (this check
6] 1Disconnect all rectifier leads from the terminal boardL!J to clean engine groundConnect the other lead to the
2Calibrate ohmmeter on appropriate scaleConnect one lead