Started my car up yesterday and it ran for a second then cut out again. I didn't think nothing of it and tried it again and the exact same thing happened. I noticed that nothing was lighting up on my dash, and no gauges were working. All other electrics seemed to work as the climate control, headlights, hazards all seemed to work. The only other thing that doesn't seem to work are the electric windows. If the ignition has been left on all the warning lights show on the speedo side of the dash but seem to be frozen, even when the ignition off they stay on for a while. I've heard it could be a faulty relay or the dash needing replacing, anyone know anything about this? and if it is a relay which one could be faulty?

Thanks.