Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 121Get this manual
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WIRING DIAGRAMS
mTrim Up RelayTrim Down RelayCowl Mounted Trim SwitchFuse-20A Accand TrimTo Remote Trim SwitchTo Remote ControlTo Over-Heat LampTo Oil Pressure LampIgnition Coil- Ignition Coil #