Cole Hersee 3 Position Brass Ignition Switch

The Cole Hersee 3 Position Brass Ignition Switch is a marine-grade electrical component engineered for reliable engine starting and accessory control on boats, fishing vessels, and other watercraft. Built to withstand the corrosive salt-spray environment and constant vibration that comes with years on the water, this switch delivers the dependable performance anglers and boaters demand when reliability matters most. Whether you're running a center console, cruiser, or commercial fishing boat, a quality ignition switch is the foundation of trouble-free operation—and this Cole Hersee unit has earned its reputation across thousands of vessels.

Constructed from solid brass, the Cole Hersee M-550-BP resists oxidation and galvanic corrosion far better than standard plastic alternatives, critical for marine environments where saltwater exposure accelerates degradation. The three-position design—Off, Ignition, and Ignition/Start—allows clean switching between accessory power and engine crank, with a spring-return mechanism that automatically returns to the Ignition position after engine start, preventing accidental over-cranking. The key-removable-at-Off feature provides theft deterrence and forces proper shutdown discipline, a small but important safety detail that separates marine-grade switches from automotive substitutes. Compact dimensions (3 x 2 x 7 inches) fit standard dash or console cutouts, and the lightweight brass construction (0.4 lbs) integrates seamlessly into existing electrical harnesses.

This switch suits skiff owners, tournament anglers, charter boat operators, and recreational boaters seeking a replacement or upgrade to aging plastic switches that fail under salt exposure. Installation requires basic electrical competency—matching ignition, starter, and accessory circuits—making it ideal for DIY upgrades or professional marine service technicians. Compatibility spans most 12V and 24V marine electrical systems; verify your boat's wiring schematic and amperage requirements before ordering. The Cole Hersee 3 Position Brass Ignition Switch is a long-term investment in reliability, backed by decades of proven marine use and widely stocked across the marine aftermarket.