2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 88Get this manual
ELECTRICAL ELECTRIC STARTER SYSTEM
Removal and Installation
Battery Charge Coil
Refer to the ENGINE CONTROL section for these procedures
ELECTRIC STARTER SYSTEM
Schematics
Tiller Handle Models
Rectifier and Regulator
Remove two (2) bolts and the rectifier and regulatorDisconnect the lead wire connectors11Rectifier and regulator
Fuse Case
Disconnect the fuse case lead wires from the engine wiring harness and the starter motor relay terminal, then remove the fuse case