Auto Electricians London, Barnet - Welcome to the directory of London Auto Electricians and car electricians in London. It lists auto electricians and car electricians who offer diagnostic services and ecu testing. Find business details, ratings and reviews of your local car electrician or auto electrician in London, Barnet and write your own review. Are you a car electrician in London? Why not advertise your diagnostic services business on the London Business Directory – IT'S FREE!