MGB 1970 instrument panel lights query

[Martyn-123]

Hi,

Recently purchased a 1970 MGB and loving it 😍

Of course a few little niggles to sort and hopefully a easy answer here.

When i put the lights on, on the first switch (side lights) the instrument panel lights come on however when i switch to main driving lights the instrument lights go out which means i cannot see any dials when driving at night, fuel, speedo, revs,

Any ideas please ?

Martyn

[2 sMoKiN bArReLs]

Daft question, but the dimmer switch isn't turned right down is it? (But then I suppose the dash lights wouldn't come on with sides)

[Martyn-123]

Hi,

I did initially think it was the dimmer switch that was faulty and took me a couple of days to realise that the instruments light up when side lights on only, can only assume somebody has pulled a wire at some point and put back in wrong.

Might be as simple as the lights switch feed to instruments but thought i would ask here first,

I don’t need the dash lights on when on side lights, just when on main driving lights, i.e dark

Edited by Martyn-123 on Wednesday 31st May 09:29

Edited by Martyn-123 on Wednesday 31st May 09:29

[2 sMoKiN bArReLs]

Lovely looking car by the way.

[Martyn-123]

Bump

[Jordie Barretts sock]

Not familiar with MGs, is it a rocker switch, first click sidelights, second click dipped beam?

Have you had a look at the back of the switch? It might be the switch, it might be that it's been incorrectly rewired from a previous job.

Post up some pics. Have you got a multimeter? If you haven't, I'd make that one of the first thing you buy.

[Martyn-123]

Hi,

Thank for info, yes multimeter purchased, will do checks,


Martyn