Latest build with integral Mode-Control key-switch. This allows the engine to be started or stopped manually or prevented from re-starting i.e. after the Reset Button is pressed. Note: Cable glands are mounted into the base section to simplify installation. ONAN-102K-4M shown here with the (4) Lid screws removed. This standard version has +Ve outputs for Start & Stop, to suit Marine Engines. Note: Please contact Technical Support for -Ve outputs to suit RV and Commercial Engines.