Boat Ignition Switch With Keys For Mercury 87-17009A2 87-17009A5 Outboard Motor Control Box 3 Position 6 Wires 2 Keys Replacement For Mariner And Mercury Boats Marine Electrical Switch Durable Waterproof

Boat Ignition Switch with Keys for 3-Position 6-Wire Marine
✔️ Three-position, key-operated switch with six-color wiring and 2 keys

This ignition switch with key is a marine-grade control used to start and stop an outboard engine and empower the boat’s electrical system. It is designed to replace worn switches without rewiring, and fits standard factory interfaces for quick upgrades.

✅ Compatible with Mercury 87-17009A2, 87-17009A5, and Sierra MP41070-series
✅ 3-position OFF RUN START, key-operated ignition control
✅ Six-color wire harness (red 12V, purple ignition, black ground, yellow/black choke, yellow/red-start solenold, black/yellow magneto)
✅ Includes two keys and wiring diagram; engineered for durability in marine environments

💡 What is a boat ignition switch with keys used for in marine electrical systems?

This handy component lets you start and stop the engine while controlling power to the boat’s electrical system. It’s a convenient replacement for worn switches and supports easy installation. - handy for starting engines on small boats - simple replacement for OEM wiring without rewiring - supports 3-position OFF RUN START operation