Well i did mine quiet a while ago but here goes.
To remove the old tape deck you will need a Phillips head screw driver and either the correct tool or a set of multi grips/plyers.
There should be 2 screws just above the tape deck on the angled section. Unscrew them.
Remove the Ash tray.
Now you should be abel to carefully pull forward on the plastic around where the ash tray was and a small section will come out completly.
There are now 2 screws with weird heads on them holding the tape deck in. If you have the correct tool then just unscrew them, pull it out and unplug it. If not then you will have to use some multigrips, locking plyers or another similar tool to unscrew the screws. The replace them with others you do have a tool for.
I wouldnt cut the wires when installing the new deck either (like i did). I since found out there is a place that sells converter plugs but i cant remember the site, sorry man.
If i left anything out or got somthing wrong, feel free to point it out, as i said its been a while.