MGB Register Forum

Try spraying the switch with electrical switch cleaner.

I've double checked the wiring diagram for the late rubber bumper B's and the flasher relay is fed from the direction indicator switch by a light green wire with a brown trace. A green wire runs from the relay to the hazard warning switch. The light green wire with a brown trace runs to the hazard f...

That's completely different from my MGB fuse layout. Yours is the earlier rubber bumper version then. I can see the main feed brown wire you mention. Is that fuse ok? I'll try and get my other manual back and have a look at the diagram in it asap. I think from memory the changeover was around July/A...

I' m using the 1977 wiring diagram in the official MGB Operations Manual and the fuse box on mine is vertical and the relevant fuse is the bottom one. I wonder if your MG is the earlier rubber bumper one. Does it have dual circuit brakes and 2 relays in front of the fusebox? If not, I do have a wiri...

I've checked the wiring diagram in my manual and the main feed from the fuse to the direction indicator switch is a purple wire. At the fuse there's a brown wire from the ignition relay going into the fuse and 2 purple wires coming out. 1 purple wire goes to the cigarette lighter and the other to th...

I'll have a look at the wiring diagram and report back.

A few minutes is ok but half an hour is far too long for the ignition to be switched on without the coil being disconnected.

What year is the car?

When I was trying to get my Land Rover windscreen washer pump to work I had to leave the ignition on for a short period but I didn't think of checking the coil. This has Pertronix electronic ignition fitted too with a recent NGK coil. Presumably you have the correct ballast resistor coil with an imp...

The best gasket is a Payen.