Join Date: May 2017
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I would think that most electric cars are going to have some sort of AM radio interference. I have a Fiat 500e, and get plenty of motor whine on 560AM. I believe it is because I am located in San Jose, and 560AM is broadcast from San Francisco, a distance of about 50 miles. And yes, as I get closer to San Francisco, the whine diminishes. So the solution is to phone up KEAR (610AM) and tell them to up their signal power output. Seriously, this might be a case of spending hundreds of dollars to get rid of the whine, as installing filters everywhere may still be insufficient. Its not like you can put in resistor plugs and a noise suppressor on the distributor cap.
Things that might, MIGHT help.
0. Have an aftermarket or the Premium Audio radio installed.
1. Larger or different AM antenna.
2. Additional shielding around the power leads to the radio.
3. Additional shielding around the radio itself.
4. Additional shielding around the motor.
5. Tuning off frequency slightly, say 600 or 620.
6. Adjusting the Treble to absolute minimum.
7. Investigating if the radio station also broadcasts on the FM band. Some AM stations do. Or there is an FM station with equivalent programming.
8. If the radio is satellite capable, investigating if the local station relays through the satellite, or there is a satellite station with equivalent programming.
I understand your pain. In all of my cars, the lower AM band reception is just garbage.