The compressor relay is accessed from the lower rear of the refrigerator. The compressor is labeled "A", the relay is located in the terminal box which is located at the position labeled "B".
Before replacing the compressor relay, unplug the refrigerator to avoid an electrical shock hazard. Also, if the compressor uses a capacitor, it must be discharged.
The compressor relay can be accessed by removing the terminal cover box. The cover is held on by tension or with a retaining clip.