GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 Body and Accessories 🢒 Body Rear End 🢒 Backup Lamp Replacement

Removal Procedure
  1. Pull down the rear compartment lid trim. Refer to Rear Compartment Lid Inner Panel Trim Replacement in Body Rear End.

    2. Object Number: 488167 Size: SH
  2. Disconnect the electrical connector.

    3. Object Number: 459365 Size: SH
  3. Remove the fasteners that secure the backup lamp assembly.
  4. Remove the backup lamp assembly.

    5. Object Number: 487379 Size: SH
  5. Remove the bulb assembly.
  6. Remove the bulb.

Installation Procedure

    Object Number: 487379 Size: SH
  1. Install the bulb into the bulb socket.
  2. Install the bulb assembly into the backup lamp assembly.
  3. Pull the wire harness through the body and seat the grommet.
  4. Install the backup lamp assembly to the rear compartment lid.

    5. Object Number: 459365 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the fasteners in order to secure the backup lamp assembly.

    6. Tighten
    Tighten the fasteners to 4.5 N·m (40 lb in).


    Object Number: 488167 Size: SH
  6. Connect the electrical connector.
  7. Install the rear compartment lid trim. Refer to Rear Compartment Lid Inner Panel Trim Replacement in Body Rear End.