They are often color-coded, yellow for composite video, red for the right audio channel, and white or black for the left channel of stereo audio. This trio (or pair) of jacks can often be found on the back of audio and video equipment.
What is the yellow cord used for?
Yellow wires are used as switch legs to ceiling fans, structural lights, and outlets paired with light switches, while blue wires are usually used as travelers for three-or-four-way switches.
Where do you plug in yellow cable?
Cables are often color-coded to match color-coded jacks. The yellow video connector on the AV cable connects to the green VIDEO/Y jack.
Do you need the yellow AV cable?
Important: Some newer TVs do not have the traditional yellow video input, known as an AV connection. Even without that input, you should be able to use the standard three-color Wii AV Cable that came with the system.
Can I use RCA cable for audio only?
there is no difference between a component cable and a regular stereo audio RCA cable, because they are all RCA cables configured differently but woven electrically the same. You can use any RCA type cables in place of another. When it gets into s video, dvi, hdmi, toslink or spdif, xlr thats a different story.