NOVELTY - The system has an electronic component i.e. vehicular high voltage component, housed in an enclosure (34). A light source (36) i.e. infrared LED, generates a light beam (43). A light detector (42) i.e. silicon PIN type photodiode, detects the light beam. A reflector (40) reflects the light beam along a predetermined pathway towards the detector for indicating that a removable cover (41) is closed over the body. A controller (45) is coupled to the detector and the electronic component, where the controller deactivates the electronic component when the light beam does not reach the detector.    USE - System for detecting an enclosure that is utilized for housing a high voltage automotive component for automotive application in an automobile e.g. hybrid vehicle, such as sedan, wagon, truck, sport utility vehicle (SUV), two-wheel drive (2WD) e.g. rear-wheel drive or front-wheel drive, vehicle, four-wheel drive (4WD) vehicle and all-wheel drive (AWD) vehicle. Uses include but are not limited to engine/actuator such as gasoline or diesel fueled combustion engine, flex fuel vehicle (FFV) engine, gaseous compound such as hydrogen and/or natural gas, fueled engine, fuel cell, combustion/electric motor hybrid engine and electric motor.    ADVANTAGE - The system utilizes LED as a light source for providing high durability and compact size for automotive applications. The reflector advances the light beam along the predetermined pathway circumscribing the inner periphery of the enclosure to monitor the removable cover with a single source and a single detector, thus providing continuous real-time monitoring of the locations and the removable cover.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a system for securing an electronic component.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of an enclosure.    Enclosure (34)    Light source (36)    Reflector (40)    Removable cover (41)    Light detector (42)    Light beam (43)    Controller (45)