Abstract: Protective device, system of some electrical card include an electrical circuits and technological components and method of wiring, installing and locating such device and system to some solenoid designated to protect and control the vehicle starter operation of some motorized automobile solenoid outgoing and ingoing electric connections and components. Wherein, such electrical card and components accommodates in protective box device of the present invention, wherein, such device fitted by shape to be attached to some of the solenoid sections, and designated to protected, closed and locked some electrical wiring and components exiting from such solenoid and entering to such solenoid. Wherein, such protective box device designated for securing, accommodating and protecting such electrical card, components and solenoid electrical wiring, designated to protect and prevent access from unauthorized persons for the purpose of preventing vehicles theft.