GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Make sure the headlamp switch is in the OFF position.

  2. Object Number: 277171  Size: SH
  3. Remove the lens screws (1).
  4. Remove the lens (2).
  5. Remove the bulb (4).
  6. Remove the lamp assembly screws (1).
  7. Remove the lamp assembly (3) from the roof.
  8. Disconnect the wiring harness (5) from the lamp assembly.
  9. Remove the gasket (7) from the roof.

Installation Procedure


    Object Number: 277171  Size: SH
  1. Install the gasket (3) to the roof.
  2. Connect the wiring harness (5) to the lamp assembly (3).
  3. Install the lamp assembly to the roof.
  4. Install the lamp assembly screws (1).
  5. Install the bulb (4).
  6. Install the lens (2).
  7. 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.

  8. Install the cargo lamp retaining screws (1).
  9. Tighten
    Tighten the cargo lamp retaining screws to 2.0 N·m (17 lb in).