1978 Johnson 55 HP Outboards Service Repair Manual P/N 506997, Page 46Get this manual

1978 Johnson 55 HP Outboards Service Repair Manual P/N 506997, Page 46

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Jumper wires Blue tester lead Battery adapter Black tester lead Position No.3
cConnect the neon tester blue lead to clean engine grounddConnect jumper wire to the neon tester black lead, and ins