Originally Posted by Edwin
Any advice for implementing in a positive ground classic?


If it's a series wound motor it won't be polarity sensitive. The original Klaxon brand horns were such unless modified, but had casing isolated connections anyway.


Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone