For the light to be controlled by a switch that s separate from the fan the wiring between the switch and the fan unit needs a fourth conductor a red wire to carry the hot feed for the light kit.
Wiring ceiling fan with light red wire.
Split the incoming hot wire into a y and connect it to a terminal on each switch.
Make a pigtail of the ground wire using two 6 inch lengths of bare wire and connect one ground wire to the fan switch and one to the light switch.
Connect the blue wire to the red wire.
In other words it is the primary connection that provides current from the switch to the fan s electrical load or motor.
If your ceiling fan does not have a light fixture then simply cap off the red wire and attach the fan motor to the black wire.
A red wire up in the ceiling fan junction box usually indicates that the wiring has been installed which provides separate switch for the light and a separate switch for the fan motor.
Connect white wires together.
It is a hot wire that comes from the ceiling and hooked up to a wall switch.
The red color on fans is for powering the lights.
Twist all the white wires in the box together and cap them.
Look the capacitor connection how the color of wire is used in fan s output.
In the switch box.
Therefore we have the method to determine it with a digital multi meter.
You may come across a red wire when wiring a ceiling fan with 4 wires.
Connect the red wire from the fan to the other terminal on the fan switch and the black wire to the light switch.
Ceiling fan capacitor connection internal wiring of a fan.