GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 863550  Size: SH
  1. Adjust the FADE ring to the middle position, where the sound is balanced equally between all speakers.
  2. Remove the BASS/TREB knob radio. Refer to Radio Knobs - For All Radios .
  3. Remove the FADE ring.

Installation Procedure


    Object Number: 863736  Size: SH
  1. Install the FADE (1) ring over the BASS/TREB (3) knob post with the FADE (1) ring in the middle position, where the sound is balanced equally between all speakers.
  2. Install the BASS/TREB (3) knob. Refer to Radio Knobs - For All Radios .