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I have a 2007 chevy cobalt and had to buy a GM interface adapter to hook up an aftermarket deck to the stock radio harness.
All the wires seem to match up when I was soldering the aftermarket wires to the interface wires except there is an orange wire coming from the interface adapter labeled "Illumination". I noticed the aftermarket deck harness nor the stock harness has a wire for illumination. Does this orange wire need to be hooked up somewhere?
Thanks
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