I need to install a new ceiling fan and light kit. My problem is that only 2 wires are coming out of the wall. Presumbably black and white. The kit that I have has a blue, black and white wires. What goes where? I also have a green (ground wire attached to the plate of the new kit. Where does the groung wire goe. I will like to turn on the lght from the switch and use the pull chain on the fan for the fan. Please help.