A circuit protection device having a warning function includes a casing with a button, a first terminal and a second terminal connected thereto. Travel patterns are accessed and a series of locations of a ground-based vehicle are received. A throttle valve can be configured to control an opening of a first intake passage of the engine, and an idle speed control valve can be configured to control an opening of a second intake passage downstream of the first intake passage can also be provided. The component mounting conductor and the wiring conductor are electrically coupled to each other, and the component mounting conductor and the wiring conductor are electrically coupled to each other.