Connect the black fan cable together with the black light wire and the black switch wire and cover them.
Exhaust fan and light switch wiring.
Using wire strippers peel an inch of insulation from the end of the black and white wires.
Locate the switch cable which must be glued through the top or side of the box that serves the fan or the light.
Twist the ground wires together and connect them to the green ground screw on the switch.
If you choose to do this.
Splice the white wires together and cap them.
Pull electrical cable between the fan light and the switch.
Mount the fan and light and move to the switch box.
Wiring an exhaust fan with a light fixture using a combo switch as long as the bathroom exhaust fan and light have separate wire leads or connections in the exhaust fan junction box.
This video with new full edited instruction for those who asked.
Inside the box you ll need to separate the wires to see which feed the fan and which feed the light.
The light switch has a black wire hooked to it and the black wire that goes to the fan and the light.
Wiring a fan and light to a single switch in this wiring the source is at the switch and 3 wire cable runs from there to the fan and light.
How to wire 3 switch in 3 gan.
The fan switch has the ground wire the red one and the white one hook to it.
Connect the white wires the ground wires the black wires and the red wires together.
Junction box wiring for the switch the box these wires came out of had a 3 wire w ground coming in from the other switch.
Connect a light and a fan to a new switch.
How to wire a bath exhaust fan and light removing existing wiring i removed the 2 wire with ground from the switch to fixture and replaced it with a 3 wire with.
Once your fan is free position it so that you can easily access the connection box.
When the power source is present at the wall switch box the a 3 wire cable would be installed from.
There is a black wire red one white one and the ground that is in the box.
Connect the black wire from the fan to the bottom terminal of the switch and the live circuit wire to the top terminal.
The wires are in the same box.
The source neutral and ground are spliced through to the fan location.