GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the hood.

  2. Object Number: 476800  Size: SH
  3. Remove the center knob (1).
  4. Remove the accessory wiring junction block cover (2).

  5. Object Number: 428680  Size: SH
  6. Remove the A/C compressor control relay (15) from the electrical center.

Installation Procedure


    Object Number: 428680  Size: SH
  1. Install the A/C compressor control relay (15) into the electrical center.

  2. Object Number: 476800  Size: SH
  3. Install the accessory wiring junction block cover (2).
  4. Install the center knob (1).
  5. Close the hood.