The MTD 994-00136A Lawn Mower Ignition Module supports reliable engine starting by helping control the electrical signal needed for ignition. This component is designed as a replacement ignition module that works with the mower’s ignition system to manage spark timing and delivery. It functions by processing electrical signals and sending the appropriate pulse to the ignition coil or ... https://www.wholetoolbox.com/mtd-994-00136a-lawn-mower-ignition-module