This video is for the removal of the radio from a 2002 Thunderbird but the radio section is essentially the same as the LS and follows the same process. May be intimidating at first but it is actually fast and easy.
How to Remove Radio / CD Changer from 2002 Ford Thunderbird for Repair. - YouTube
How to Remove Radio / CD Changer from 2002 Ford Thunderbird for Repair. - YouTube