Some numbnuts who thought he knew what he was doing didn't. I tried the "Assembling a cupboard without looking at the instructions", forgetting that SHMOvapes had the instructions.
I'd confused which pin needed to be insulated where.
I'd traced it by sight and thought I had the electrical flow done to a T, but had made a mistake in my counting of flow paths.
But science is all about mistakes - I'll not be making that one the next time I strip it down.
And ElsaBubs, I still don't understand why you got shot of this - I bloody love it!