This will show you how to take a factory stereo out and install a new stereo/cd player
Take the old stereo's cover off. Unscrew the screws on the side of the old stereo, then slowly remove. Disconnect antenna and plug from old stereo. take your new wiring harness and plug into the old plug that came from the old stereo. take your new plug from your new stereo and one by one color match them to your new wiring harness.
After each wire is twisted together, place wire nut to secure exposed wire, if necessary you may use electrical tape for added protection. gather all loose wires and wrap them together and bond them with electrical tape.
Install your dash kit. Take new stereo and plug in the new wiring harness and antenna into the back. Then slowly place stereo into your fir dash kit. Fasten down your new stereo into your dash kit. Screw your screws into both sides of your stereo to secure. And now your new stereo is ready to go.