KimpexHD - Surepower Electronic Control Module ECM (SF-899-008143)Direct replacement to your original unit No assembly required Higher grade of electric components Improved internal voltage regulator for better charging capabilities The quality exceeds the OEM equipment All products shipped are tested Most OEM ECM failures come from water infiltrating through the ECM connector pins located on the module. RMSTATOR improved design have the wires connected directly on board through a water tight sealed grommet.