Originally Posted by
LeonatLarge
Trace the 12v supply from the fuse described above,then to the relevant relay then to the fog light,if you have 12v in to the relay and nothing coming out you need a new one if dont have 12v at the relay but have 12v out of the fuse there is a fault on the wiring.
The manual used to be on here, and I think it had a complete wiring diagram don't get time to come on here much,see if one of the regulars will post a link.
With the wiring diagram as a reference it should be a simple process of elimination