Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Safari and 2004 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

Remove the body side front lower trim panel. Refer to Trim Panel Replacement - Body Side Front Lower in Interior Trim.
Disconnect the electrical connector from the amplifier.

Fig 1: Identifying Amplifier Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Remove the amplifier from the vehicle by sliding the amplifier toward the rear of the vehicle.

Fig 2: View Of Amplifier
Courtesy of GENERAL MOTORS CORP.