1979 V6 150-235 HP Johnson Outboards Service Repair Manual P/N JM-7910, Page 139Get this manual
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112 volt battery 2 Red Fuse 4 Start-in-neutral only switch 5 Place voltmeter lead to each check point 6 Common engine ground 7 Starter motor 8 Solenoid switch 9 Yellowred 73227
lf meter reads 12