orange wire

Do I Need To Hook Up The Illumination Wire?

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Do I Need To Hook Up The Illumination Wire? Do I need to hook up the illumination wire? https://www.youtube.com/watch?v=AwI8aNOiO9A Do I need the orange wire in a car stereo? The normal use of orange and orange/white wires is orange is for variable voltage to control display illumination dimming (i.e. the head unit display dims along