If you are not familar with the assembly manual, the first half is made up of drawings for a base vehicle and the back half is made up of drawings for the installation of the options that was available at the time your car was built. The option sheets are labeled by the option code, which will be found in the lower right hand corner of the sheet. The option code for your radio should be U69. Using the assembly manual, you can check to see if you have all the pieces to re-install the radio.
The shop manual, along with the wiring diagram, will have instructions on removal of the radio. Just reverse the steps for radio removal to re-install your radio,
Lectric Limited will have replacement wiring harness for the speakers and will also have the repair plugs for the power to the radio.
You will need to exercise caution with the center instrument cluster. The corners of the cluster trim bezel right above the gauges is fragile and can be easily broken.