Mercury Optimax 225 Engine Wiring Turner Smith 20 Feb 2024 Mercury 75 90 115 optimax outboard 2004 2005 engine wiring diagram Mercury 75 90 115 Optimax Outboard 2004 2005 Engine Wiring Diagram Mercury 75 90 115 Optimax Outboard 2004 2005 Engine Wiring Diagram Check Details ← Mercury Mountaineer Radio Wiring Diagram Mercury Key Switch Wiring Diagram →