1999 "EE" Outboards Accessories Service Manual, P/N 787026, Page 173Get this manual
2535 Cyl 4050
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 switch All 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)DR4018
UP CIRCUIT
3Mark UP and DOWN relays, and remove relays from relay bracket
4Connect voltmeter red lead to V1 (red) and black lead to V2 (black)