: Fitment: This Ignition Key Switch replacement for Mercury Outboard Control Box. Part Number: 17009A5 Material: 3 Position OFF RUN STAR and 6 wires for push to choke. This Boat Engine Ignition Switch made of high performance polyester and high quality brass, which provides safety, durability and excellent electrical conductivity. Easy Installation: Colors on switch wires match factory color codes, direct replacement, a simple plug play with no wire splicing. Ignition Starter Switches: An ignition switch, starter switch or start switch is a switch in the control system of a motor vehicle that activates the main electrical systems for the vehicle. If you have to wiggle the key hard or the boat wont start when the key is turned, it means you need to replace a new engine starter ignition key switch for your boat. Specification: Material: Hardware Plastic Package Includes: 1 Set Boat Ignition Switch with Key Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping