2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 98Get this manual
ELECTRICAL ELECTRIC STARTER TESTS STEP Connect voltmeter positive (+) lead to battery negative (-) lead common powerhead ground screwConnect voltmeter negative (-) lead to battery negative (-) postTurn key switch to START Voltage reading must not be more than 0.3 volt
Starter Solenoid Test
IMPORTANT: All engine wiring must be disconnected from the solenoid before proceedingSTEP Connect one ohmmeter lead to terminal (A) and the other lead to terminal (8) Ohmmeter must show high reading If ohmmeter shows low reading, replace the solenoidSTEP With the ohmmeter still connected, attach positive (+) battery jumper to terminal (C) and negative (-) battery jumper to terminal (D)The solenoid should close with an audible click Ohmmeter must show low reading If ohmmeter shows high reading, replace the solenoid