The Kohler 1740308-S Engine 10 Amp Regulator helps maintain stable electrical output from compatible engine charging systems. It works by regulating the voltage generated by the engine's charging circuit, helping control the electrical supply delivered to the battery and connected components. Proper regulation can help prevent excessive voltage, support consistent battery charging, an... https://www.wholetoolbox.com/kohler-1740308-s-engine-10-amp-regulator/1740308-S.html