Thanks for the prompt and helpful replies!

I have had another look and most of the "wet" or fresh oil seems to be at the front of the cam cover so am leaning towards the suggestion that it is the cam cover gasket leaking and the oil being blown up over the cam cover rather than the oil seeping from ...

I have an unsightly oil leak and it seems to be coming from a fixing on the top of the cam cover. This seems unlikely I know but the oil stains seem to indicate that. See pics below. My question is whether I am on the right track and, if so, what sort of fixing is involved?

I tried a 4mm Allen key ...

I have let you down folks! I tried hard but just couldn't work out how to check all the connectors without tearing out all the panelling.

I cheated and took a spur off the side light and all is well and I should get my MOT.

The other fail item was the ball joint on the lower front wishbone ...

Could be the wiring from the body to the door chafed/broken?

Thanks for prompt responses!

Sadly no power is getting to the block connector that comes out of the body. Not sure where I would have to go to do a continuity check. Is there another connector somewhere in the back of the Bongo behind ...

The Bongo failed its MOT on a front ball joint plus no number plate lights working.

The bulbs are good but there is no power going to the connector block that hides in the top of the rear door.

All the other lights etc seem to be working but there doesn't seem to be a special fuse for the number ...