1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 228Get this manual
II Check voltage and
between ground
Connect voltmeter at key to START positionTurn
aIf no reading, solenoid is faultybIf solenoid clicks and meter reads battery voltage, go to Step
II Check voltage between
Reconnect starter to solenoid cable at 0Connect meter at Turn key to START position