HELP I have brought a Gu-10 halogen 3 spotlight so I dis-connected the ceiling rose, On the spotlights there are 3 wires 1 blue 1 brown and 1 earth, On the ceiling I have got 3 reds 3 blacks of which 1 has a brown sleeve and 3 earths. So can you tell me what goes where please? Many thanks D J Brown