Electronic devices produce certain frequencies that may disturb other electronics that are sensitive to those frequencies. It doesn’t matter if it’s a household appliance or in an automotive application: Ferrite rings are a common way to curb these disturbances.
A ferrite core or bead can be added to an inductor to improve, in two ways, its ability to block unwanted high-frequency noise. First, the ferrite concentrates the magnetic field, increases inductance and therefore reactance, which impedes or filters the noise.
To be used on the output cord of any HID ballast or input wiring on an HID bulb, no matter OEM or aftermarket parts; If your radio is picking up static from your new HID system, these will help.
We have been doing this for more than a decade. If you are still unsure of what to do, where to go, or just plain have questions, don’t be shy. We are always here to help you in every way that we can and will continue to keep helping out until you fully understand the entire process from start to finish. Remember, we are people too, and everyone starts off the same way with knowing nothing so we completely understand if this is overwhelming for you as we were in the same boat. So contact us and we will get you started towards the right path.