2006 SD Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 79Get this manual
ELECTRICAL ELECTRIC STARTER SYSTEM
Inspection
Ignition Switch (Remote Models)
Disconnect the ignition switch from remote control wiring harnessCheck continuity between switch terminals at the key positions shown:
Key Position
Neutral Switch
Disconnect neutral switch lead wireCheck continuity between lead wires while operating the shift lever of remote controlShift position Neutral Forward Reverse
Continuity
Switch Terminals
START PUSH
If out of specification: Check switch position adjustment Replace neutral switch
IMPORTANT: After installing check for proper function Starter Motor Relay