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There are about 10 screws that hold the dashboard in place. You will also have to disconnect the wires going to the headlight switch, 4 wheel drive switch, and dc power outlets. The radio is held in place by 2 or 3 screws. A whole lot of work just to remove a radio. GM doesn't want you to do it. I own a 2003 Chevy Trailblazer with the LT package and misc. factory upgrades, it's almost an LTZ, I have a Pioneer Stereo 2 10" subs and a 1000w Kenwood amp. It's 4 screws to remove the factory stereo, however because the stereo unit is connected to the onstar, alarm, etc... it requires a new harness to connect any aftermarket upgrade, also keep in mind that the unit is a 1 1/2 unit so you will have to have an installation kit to install an aftermarket unit unless you find one that fits perfectly. The lower dashboard has to be removed to expose the screws so you can access the trim screws that hold the stereo/ac, trim on. It really is a frustrating bit of work but not too difficult to do. You don't have to remove any knobs or unhook any switches so just ignore the dc power outlets, and switch information the guy above me posted.

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โˆ™ 2007-03-10 20:32:10
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Q: How do you remove the radio on a 2003 Chevrolet Trailblazer?
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