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under tha steering colum there is a metal bar and above it is a little silver box. remove both and unplug the wires from that box and those will attach to your wire harness for your new radio. just run them up through to where the new radio will go. the factory radio will stay and the new one will go where the tape deck is. just did all that to my 1990 silverado

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โˆ™ 2009-05-02 04:21:53
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Q: How do you put a radio in a 1990 Chevy Silverado?
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