how to make car audio video noise filter | DC12- 24V

in this video I will show you how to make car audio video noise filter using simple method. this can be used for any DC power source to reduce the power noise of any audio or video device such as , car DVD player, audio amplifier, CCTV camera and car reverse camera. circuit diagram is at the middle of the video.
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[@sergioramses2615]

Can the filter work with only the 3 first components ?

[@geek4tec605]

All components are need to fillter the noise

[@GeoBass-89]

You can use small coil , 2x 220uf capacitor 16v minimum, and low value ceramic capacitor like 1nf 10nf 100nf to gnd. (Only ceramic capacitor for power supply )