This is not a typical thing to occur. Most likely there could be either a turn signal bulb out or the relay is starting to die. Besides the noise, you may notice the turn signal is going on and off really fast. Otherwise, there might be a wire pinched and shorting out in the steering column. I'd take it to a Ford dealer if possible.
Turn signal switch.
The buzzing sound made by insects is the result of wing movement. The faster the wings move, the louder the buzzing sound.
There is a buzzing sound from next door.I am buzzing with excitement.
'Buzzing' can be defined as a humming sound. For example: Mosquitoes were buzzing all around us. It can also mean 'be filled with a humming sound' i.e. A buzzing in my ears.
The buzzing sound of bees is caused by their wings flapping.
bees and mosquitoes make a large buzzing sound by flapping there wings super fast thats how they make a buzzing sound.
a "buzzing" sound
CPU's fan rotates and make buzzing sound.
Check the main crank pulley.
The wings flapping very fast causes the buzzing sound of bees and wasps.
Bees make a buzzing sound, because they flap there wings 11,400 times per minute, which makes the sound.
that would be the wings, like all flying insects that make a buzzing sound.
Bag pipes and crumhorns have an enclosed reed and produce a buzzing sound.
I am guessing that you have a bad turn signal relay. Locate it by sound and replace it.
Ladybugs tend to make a buzzing sound. This buzzing sound can be heard loudest when the ladybug flies past you.
A low frequency sound.
You have to make a buzzing sound with your lips into the mouthpiece.
a bee buzzing
With their wings
A buzzing sound is what you will hear when something is vibrating very fast. For example, a bee flaps its wings so fast and that is what makes the buzzing sound that you hear.
Because their wings move so fast that it creates a buzzing noise