glow plug fuse location

Hi , I'm new !! My 2nd T4 in 2 years ,but this is a keeper...if I can get it reliable !! Hence , I'd noticed over the past few days it was getter harder and harder to start ...With a manual choke in out/half in ,I thought it was just beginner teething problems ....moving on ,since the -3 C...

I've searched the forum quite a lot and an trying to locate the position of the glow plug fuse in the engine compartment of our t4. I need a really noddy guide to locating it. I thought I had found one good photo, but still couldn't work out the scale. The manual says it is on the bulk head...