1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 134Get this manual
Starter Solenoid Test
INote All engine wiring must be disconnected from the solenoid
before proceeding with this test
1Calibrate ohmmeter on appropriate scaleConnect one lead to terminal and the other lead to terminal Ohmmeter should show high reading If ohmmeter shows low reading, replace the solenoid
DRC7689
2With the ohmmeter still connected as described in Step 1, attach positive battery jumper to terminal The solenoid should close with an audible click Ohmmeter should show low reading If ohmmeter shows high reading, replace the solenoid