Connect two of the black.
Exhaust fan and light on separate switches.
Then this is what you do.
Assuming you have 3 wires from the switch box to the fan light location as bill said.
Attach the red and black wires from the fan light unit to the top terminal screws on the switches.
The wiring instructions for your new hunter fan differ slightly based on the type of wall switch and your fan s control system pull chain remote control etc.
A single wall switch controls the power to the fan and light together whereas a dual wall switch has two separate switches one for the fan and the other for the light.
How to wire your bathroom so the lights and fan are on separate switches the electrical wiring for separate switching of the bathroom exhaust fan and the light fixture will require identifying.
Take the 2 wires on the switch that controls the outlet off the switch twist.
Connect the two white wires in the switch box together with a wire nut.
Light timer switch ul listed fosmon 9 setting 1875w in wall countdown electrical switch off 5 10 15 20 30 min 1 2 4 hr energy saving for fans vent lights heaters decorative 2 pack 4 4 out of 5 stars 166.