GM Service Manual Online
For 1990-2009 cars only

Radio Speaker Amplifier Replacement Base

Removal Procedure


    Object Number: 521803  Size: SH
  1. Lower the glove box.
  2. Disconnect the electrical connectors.
  3. Use the following steps in order to remove the amplifier from the bracket:
  4. 3.1. Push the retention clip upward and in.
    3.2. Rotate the amplifier.
    3.3. Push the amplifier up in order to clear the amplifier mounting bracket and the HVAC module.
    3.4. Remove the amplifier.

Installation Procedure


    Object Number: 521803  Size: SH
  1. Connect the amplifier to the bracket by clipping the amplifier into place.
  2. Connect the electrical connectors.
  3. Inspect the system operation.