Source google image: https://newsdanciennes.com/wp-content/uploads/Sch%C3%A9ma-Bobine-dAllumage-NGK-330×246.jpg
Schema electrique d’une bobine d’allumage
Source google image: https://newsdanciennes.com/wp-content/uploads/Sch%C3%A9ma-Bobine-dAllumage-NGK-330×246.jpg