Earth Problem

[L3WLM]

Right guys got the first problem with the williams,

Sometimes my heater dials lights work and other times they dont, got the same problem with the fog lights and electric windows.

i think its a earth problem

But any advice welcome.

[VIPERONE]

check all your earthing points in engine bay, especially the gearbox to body braid on the end of your gbox.
emery cloth all connections, even add some of your own!