Have you got a technical problem with your MG? If so, the combined expertise of Roger Parker and the MGOC Workshop may be able to help. For details of how to access this free service, see p77.
Q Hi… My MGB has electrical failure of brake lights, indicators and rev counter. Are they all on one circuit? Thank you if you can help.
All three of those items are fed from the single main ignition fuse, number 3 down in the engine compartment fusebox on the right hand inner wing. On the rearward-facing side of the fuse there are three green wires that feed different parts of the fused ignition circuit; one of these green wires feeds the voltage stabiliser that controls the fuel gauge (so
