Source google image: https://i5.photobucket.com/albums/y153/NASAman/72%20Triumph%20Wiring%20Diagram_zpszwnupglr.jpg
Schema electrique triumph tr3a
Source google image: https://i5.photobucket.com/albums/y153/NASAman/72%20Triumph%20Wiring%20Diagram_zpszwnupglr.jpg