GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 476800  Size: SH
  1. Remove the underhood relay center knob.
  2. Remove the underhood relay center cover.

  3. Object Number: 428667  Size: SH
  4. Remove the A/C compressor control relay from the electrical center.

Installation Procedure


    Object Number: 428667  Size: SH
  1. Install the A/C compressor control relay into the electrical center.

  2. Object Number: 476800  Size: SH
  3. Install the underhood relay cover.
  4. Install the underhood relay center knob.