Audio Systems: aftermarket radio, equipment model numbers, google searches

Question
how do i remove radio to plug in 2nd pair of rca's for my high's amp

Answer
You forgot to give me the car and equipment model numbers.  I need to know what the vehicle is and the make/model of the car stuff and how the speaker systems are wired in.

You can google and find removal ideas for just about any car and radio.  Did you try that? I think you can find it on your own with a couple of google searches.  Give it a try, then let me know if you can't find it.

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