Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 256Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 256

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456 (4-Stroke) Wiring Diagram
1 Lighting Coil (Optional) 2 Crank Position Sensor 3 Light Extension Harness (Optional) 4 Connection To 12 Volt Battery (Optional) 5 Rectifier (Optional) 6 Fuse 10