Just got a Haynes Repair Manual today, so I'll tell you what it says.
"Using a trim panel removal tool, carefully pry the retainers loose and remove the pillar trim panels from each end of the rear package tray. Pry the retaining clips loose and remove the cover from the high-mounted brake light. Remove the mounting bolts, disconnect the electrical connector and remove the brake light assembly. Remove the rear seat headrests(if equipped). Pry the retainers loose, remove the bolts(if equipped) and remove the package tray. Remove the push-nuts and separate the speaker grilles from the package tray. Disconnect the electrical connectors, remove the mounting bolts and remove the speakers from the package tray. Installation is the reverse of removal" (There were no pictures for the 1997 and lower models)
Hope that helped... Putting the book to use already. Thanks for the excuse to use it