1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 323Get this manual
Solenoid Check INotel All engine wiring must be disconnected from the solenoid before proceeding with this testf181 1Calibrate an ohmmeter on high ohms scale and connect one lead to terminal and the other lead to terminal Ohmmeter should show very high reading (00If the ohmmeter reading is very low (zero), replace the solenoid5967
2With the ohmmeter still connected as described in Step 1, attach positive battery jumper to terminal and negative battery jumper to terminal The solenoid should close with an audible click The ohmmeter should show very low reading (zero) If the ohmmeter reading is very high (00 ), replace the solenoid