Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 133Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 133

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WIRING DIAGRAMS
WIRING DIAGRAM B
Use this wiring diagram when instrument lighting is wired directly to the ignition key switch(Instrument lights are on when ignition key is turned on)