Sierra International 18-5775 Switch Box 18-5775. It is interchangeable with CDI 114-7778 Chrysler/Force/US Marine 332-7778A12 Mallory 9-25100 Mercury Marine 332-5524A1 332-7778A1 332-7778A12 332-7778A3 332-7778A6 332-7778A7 332-7778A9 F749301 F7778A9...