The article from the MG Exp website explains why and how to add additional relays to reduce load through old worn switches to brighten your headlights.
Having driven in the dark a couple of nights back this project is on my job list.
information about the MGB and MGB GT classic cars including news and reviews – also updates on repairs, servicing and diy modifications I do on my own MGB Roadster
MGB tips mods and maintenance 