[Stu from NYC]

Originally Posted by villagetinker

I agree with above, in our house NONE of the fans had the blue wire connected at the ceiling. When I went to do this i found the extra RED wire from the wall switch box. This allowed my to remove the existing single switch and replace it with a dual switch, one for the fan and one for the light, after I connected the RED wire to the blue wire and made the necessary connections at the new switch.

This is why we hired a handyman to do our light kits.