1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 311Get this manual
Power Supply Troubleshooting Before beginning this procedure:
Charge battery and connect battery cables Turn key switch OFF, and remove key Remove clip from emergency stop switchAll tests are made from the RELAY SIDE of the trimtilt relay bracket1Connect voltmeter black lead to clean engine ground2Check for voltage at battery side of starter solenoid: If no voltage, check battery and wiring If voltage, go to Step (or Step 10, if problem is only with tilt downtrim in)UP CIRCUIT 3Mark UP and DOWN relays, and remove relays from relay bracket
GJ 4Check for voltage at Vl (red):
If no voltage, check voltage at terminal stripIf voltage at terminal strip, check wire If voltage at Vlgo to Step 5