can anyone please help me ive had to replace my old light fitting in my bathroom also the pull cord.for the light ive got 2 black 2 read and 2 green/yellow, and in the switch ive got 3 red one i presume to be for the fan 2 black and 2 green/yellow.how do i conect both up so it works ive tried all i can Thanx .

becky, January 2010