2004 SR Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 75Get this manual
IGNITION AND ELECTRICAL ELECTRIC STARTER SYSTEM
ELECTRIC STARTER SYSTEM
Troubleshooting
NOTE: Before troubleshooting the electric starter system, make sure the battery is fully charged and all connections are clean and tight
Circuit Check Schematic
Starter motor relay
Starter motor
Battery
Neutral switch Br
To Rectifie and Regulator
Starter switch