1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 278Get this manual
Power Supply Troubleshooting
Refer to POWER TRIM 'N TILT foldout at rear of manualBefore beginning this procedure: Charge battery and connect battery cables Turn key switch OFF, and remove key Remove the clip from the emergency stop switchAll tests are made from the RELAY SIDE of the trimtilt relay sockets1Connect voltmeter black lead to clean engine ground2Check for voltage at battery side of starter solenoid If no voltage at starter solenoid, check battery and wiring If voltage at starter solenoid, go to Step (or Step 12, if problem is only with tilt downtrim in)UP CIRCUIT 3Mark UP and DOWN relays, and remove relays from relay sockets4Connect voltmeter red lead to V1 and black lead to V2 If no voltage at V1check red wire between starter solenoid terminal and relay socketsIf red wire is OK, check black wire between relay sockets and engine ground If voltage at V1 go to Step 5I