The new switch does require an additional electrical wire.
Fan and light dimmer switch wiring.
The black wire is connected to the hot or power supply.
Green wire is for the ground.
For example you can wire the speed of the fan setting up to a simple toggle switch although you won t be able to control the speed of the fan and you can wire the light function up to a dimmer switch.
In this wiring the source is at the switch and 3 wire cable runs from there to the fan and light.
A dimmer switch for the lights will be available in several watt sizes.
Follow the manufacturer s instructions to hook up your dimmer fan switch at the switch box.
Red wire is sometimes included and acts as a conductor to carry power to the light kit.
David from the information you have provided the hunter model 27182 dimmer fan control switch is wired as follows.
The source neutral and ground are spliced through to the fan location.
The red wire connects to the wire for the light of the ceiling fan.
If you locate this switch then both ceiling fans can be wired from one switch.
If there is separate wiring for the light setting and fan setting you may be able to wire each set of wires onto two different switches.
Wiring a fan and light to a single switch.
If the light can be switched on and off from two or more switches buy a three way dimmer switch.
Ceiling fan wiring diagram light dimmer this ceiling fan wiring configuration is quite common in bedrooms.
The dimmer switch will have stranded wires that must be sliced to the solid cable wiring in a pigtail fashion.
The blue wire connects to the wire for the ceiling fan.
A device like this should only be used with an incandescent light fixture and not with a ceiling fan or other motor.
Black wire is for the fan.
This setup allows you to dim the light in the fixture and also switch the fan off and on from a separate.
You can install a ceiling fan light dual dimmer switch to operate the fan speed and light intensity from the original wall switch location.
If you had a red wire coming from your ceiling it is hooked up to your wall switch.
Blue wire is for the light if light is included with the fan.
But you won t be able to dim the lights from every switch location unless you buy a set of special dimmers with advanced electronics and install one at each switch location.
White wire is neutral.
The source hot wire is spliced to the black fan wire to hardwire it directly to the circuit and to a pigtail connecting the switch.