A-B1690791-AI WIRE-STOPOne New Aftermarket Replacement Wire Stop Fits Briggs & Fits Stratton Small Engines This aftermarket replacement wire stop Fits Briggs & Fits Stratton small engines used in lawn mowers, generators, and other outdoor power equipment. The stop wire connects the engine stop switch to the ignition circuit, triggering a circuit break that safely shuts down the engine and prevents unintended running. It is part of the engine's electrical safety system and