Apologies, didn't realise. This is the standard Plus 4 wiring schematic FWIW. The fuse numbers you mention correlate. Not sure how ARP4 would differ given LED lights, but problem seems BCU orientated as you suggest with maybe rogue input [Linked Image]

[Linked Image]

Last edited by Richard Wood; 28/10/19 10:44 AM.
Richard

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