The Kohler 1740306-S Engine Regulator helps maintain a controlled electrical output from the engine's charging system, supporting stable voltage for compatible equipment. It works by regulating the voltage produced by the charging circuit and limiting excessive output before power reaches connected electrical components. Proper regulation helps protect the battery and electrical syste... https://www.wholetoolbox.com/kohler-1740306-s-engine-regulator/1740306-S.html