2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 83Get this manual
ENGINE CONTROL REMOVAL AND INSTALLATION Remove three (3) bolts and the charge coilthen disconnect the charge coil lead wires
Installation
Wrap sealing tape around the threads of the oil pressure switchCut off any excess sealing tape from the threads before installing
1Bolts (3) 2Charge coil
1Sealing tape
Installation
Install the charge coilApply Nut Lock to the charge coil boltsInstall and tighten the bolts securelyInstall the sensorsApply Nut Lock to the sensor screwsInstall and tighten the screws securely