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I'm trying to wire a CVBS-to-RGB converter into my car's monitor that only supports Navigation Maps with an old-fashioned technology of displaying picture via RGB signal. All the wiring is done via a 14-pin relay to switch between either the camera signal (r,g,b,s) or the navigation signal (r,g,b,s).

Now, which wire gauge I should use here to display the video signal? Also, copper or aluminum? to avoid as much distortion as I can.

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  • \$\begingroup\$ Shielding will probably be a more critical factor than wire gauge. Analog RGB signals for VGA monitors, for example, are often just thin 26 AWG or similar, but they are shielded so they don't interfere with each other. See: image, source. \$\endgroup\$ – JYelton Mar 28 at 7:11
  • \$\begingroup\$ Great! thank you so much.. if you can write it as an answer please to give you +rep :) \$\endgroup\$ – Se7sNator Mar 28 at 7:52
  • \$\begingroup\$ Best 75ohms coaxial. Else use twisted pairs (r/gnd, b/gnd, g/gnd). Else ribbon cable alternating signals and ground. Else random wires, you'll still get a picture. \$\endgroup\$ – TEMLIB Mar 28 at 11:02

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