Source google image: http://4.bp.blogspot.com/-SXFVDOMUUFY/TugwW9pCqUI/AAAAAAAABGU/bY0y1I07YnY/s1600/Vespa+150+Super+VBC1+and+150+Sprint+VLB1+Wiring+Diagram.jpg
Schema electrique vespa 50 special
Source google image: http://4.bp.blogspot.com/-SXFVDOMUUFY/TugwW9pCqUI/AAAAAAAABGU/bY0y1I07YnY/s1600/Vespa+150+Super+VBC1+and+150+Sprint+VLB1+Wiring+Diagram.jpg