Sorted 

I am glad I found this in the 1st socket I looked in , normally my luck has it that I find a problem after looking everywhere else for an hour

Looks like someone before me had a dodgy globe in one of the lampholders , it appears the base had snapped off the lamp ( see photo below ) and the snapped off piece was sitting IN the spring inside the lampholder obviously causing the short. What I dont get is the piece of wire coming out of the globe that had strategically been wrapped up around the base of the globe and left in that position ( as though the person knew the fault with the globe and couldnt be bothered putting a new one in.........I mean I understand it because whats a globe worth these days - about 2 cents 

Thanks again guys - its all good.
Now I just have to light up the mountains and WH20 is 100% perfect.

As a side note for WH20 owners I put a spare yellow  LCD in the 1 mountain of mine that I can currently light and it gives a REALLY nice glow inside the mountain and is not as harsh as the normal white globe.