Good point raised there Graham. If it was a diode relay you used and wired it according to your flawed upper diagram then yes it would have stopped relay coil working by shorting it - might have even blown the diode
Richard
2018 Roadster 3.7 1966 Land Rover S2a 88 2024 Royal Enfield Guerrilla 450 1945 Guzzi Airone
