1987 Johnson/Evinrude CU Outboards 35A thru 55 Service Manual, Page 256Get this manual
Check voltage between ground and point
Connect voltmeter at point
aIf no reading, solenoid is faultybI meter reads 12 volts (battery voltageclick should be heard in solenoid), proceed to STEP 7aIf meter reads 12 volts (battery voltage) and starter motor does not turn, check starter motorbIf no reading, check for broken cable or poor connection