Source google image: http://aws-cf.caradisiac.com/prod/photos/1/0/1/136101/6317171/big-631717170b.jpg?v=1
Schema electrique d’un crochet d’attelage
Source google image: http://aws-cf.caradisiac.com/prod/photos/1/0/1/136101/6317171/big-631717170b.jpg?v=1