Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Align the front speaker to the speaker retainers on the front door trim panel, as noted before removal.
Press the front speaker into the speaker retainers until fully seated.
Route the speaker wires through the plastic tab.
Install the front door trim panel. Refer to TRIM PANEL REPLACEMENT - SIDE FRONT DOOR in Doors.

Fig 1: Installing Front Speaker To Front Door Upper Trim Panel
Courtesy of GENERAL MOTORS CORP.