Thanks! I had tried to get behind that rose before and given up. With a lot more wiggling, here we have it:
So I think the 2 browns and 2 blues from the rose are both just connected up together - and that lone blue wire in the center block was just being kept out of the way.
I think I am therefore already at step #3 on
//www.diynot.com/wiki/Electrics:Lighting-Rose
and should lose the fantastically well wrapped connector blocks, put the switch live (black with red) into the new light's L, put the two blacks together into the new light's N, + all the earths?
So I think the 2 browns and 2 blues from the rose are both just connected up together - and that lone blue wire in the center block was just being kept out of the way.
I think I am therefore already at step #3 on
//www.diynot.com/wiki/Electrics:Lighting-Rose
and should lose the fantastically well wrapped connector blocks, put the switch live (black with red) into the new light's L, put the two blacks together into the new light's N, + all the earths?