Skip the auto shop - Our mechanics make house calls

Q: There is a high pitch noise coming from speakers when using the air conditioning.

asked by on

when i turn the fan on the air conditioning, this high pitch noise comes on but music can still be heard over the top of it. Sometimes when the key is taken out and the car is locked you can still hear the high pitch noise.

My car has 32000 miles.
My car has a manual transmission.

A: Hi and thanks for contacting Your Mechanic....

Hi and thanks for contacting Your Mechanic. Check the ground wires to the fan motor. The noise is the current from the fan motor going through the speaker wires. The stereo may be mounted on the same ground as the fan motor. If the grounds are the same, simple relocate the grounds away from each other and the sound will quit. If you need further assistance with your vehicle, then seek out a professional, such as one from Your Mechanic, to help you with the noise with the speakers if you are unable to solve the problem.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Engine oil low pressure

Have the oil and filter changed with proper oil for the temperature outside you are having. Too thick oil in colt temperatures will do the problem you have. Also the colder it is the wait to start heater will stay...

Q: How do I turn on the air conditioning?

The air conditioning feature sends cold air into your vehicle to help cool you down. To turn the system on, press the A/C button. Press this button a second time to turn off the air conditioning.

Q: Squeaking/popping noise

You should not try and drive the vehicle to keep from doing further damage. If the vehicle is wobbling, then you may have a faulty bearing in the front hub, and/or the brakes have worn through the brake rotor....

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...