Source google image: https://images.cmsnl.com/img/partslists/honda-cx500-1981-b-france-electric-plate-cdi-unit_bigma000155f18-1_0cd4.gif
Honda cx 500 schema electrique
Source google image: https://images.cmsnl.com/img/partslists/honda-cx500-1981-b-france-electric-plate-cdi-unit_bigma000155f18-1_0cd4.gif