1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 76Get this manual
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Engine Wiring Diagram (4 Cylinder Models) c o
50389 Stator Trigger Switch Box Ignition Coil Cylinder No1 Ignition Coil Cylinder No2 Ignition Coil Cylinder No3 Ignition Coil Cylinder No4 M