clio v6
Hi when i press my brake pedal or turn my indicator arm the rear orange fog light on the display flickers.Now ive read a good few posts about poor earth on the clusters etc and ive checked everything and cleaned everything but it is still doing it .the earth wire is making good contact with bolt as when i rub it on the metal i sparks so its making contact ,ive checked both lights and cleaned all plugs.any help most appreciated on this please.