The MTD 753-06303 Trimmer Module MA-103 is designed to regulate ignition timing and ensure reliable engine start-up and operation in compatible trimmer models. This electronic module works by controlling the electrical signals that ignite the fuel-air mixture within the engine, promoting smoother starts and consistent performance. It is used to maintain proper engine operates by deliv... https://www.wholetoolbox.com/mtd-753-06303-trimmer-module-ma-103