1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 162Get this manual
lsi-DR2330
Ohmmeter TestsShift Switch
INotel All ohmmeter tests must be performed with engine not runningf61 1Calibrate ohmmeter on Rx100 scale and connect between power pack end of switch harness and clean engine ground Meter must show no continuity (00If meter shows continuity, replace switch and harness2Activate switch by pushing down on shift cable pin Meter must show continuity If meter shows no continuity (00 ), replace switch and harness