ENERGIZATION CONTROL APPARATUS FOR A GLOW PLUG

An energization control apparatus (100) has a semiconductor switching element (22) disposed between a power supply (300, BAT) and a glow plug (200) and controlling the supply and cutoff of electric power from the power supply to the glow plug (200) in accordance with a received control signal (S1). The energization control apparatus has a capacitor (11) connected in parallel to the semiconductor switching element (22), so as to suppress the influence of noise on other devices.