GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 678337  Size: SH
  1. Open the assist handle covers.
  2. Remove the side rail lamp assist handle screws.

  3. Object Number: 678338  Size: SH
  4. Remove the assist handle.
  5. Important: Note the location of the side rail lamp assist handle plastic retainers.


    Object Number: 678343  Size: SH
  6. Remove the side rail lamp base plate.
  7. Disconnect the electrical connector from the side rail lamp.

  8. Object Number: 678340  Size: SH
  9. Remove the side rail lamp socket from the base plate by sliding off.

  10. Object Number: 678342  Size: SH
  11. Remove the bulb.

Installation Procedure


    Object Number: 678342  Size: SH
  1. Install the bulb.
  2. Install the side rail lamp socket to the base plate by sliding on.

  3. Object Number: 678343  Size: SH
  4. Connect the electrical connector to the side rail lamp.

  5. Object Number: 678339  Size: SH
  6. Align the side rail lamp base plate to the plastic retainers.

  7. Object Number: 678338  Size: SH
  8. Position the side rail lamp assist handle to the base plate and the plastic retainers.
  9. 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.


    Object Number: 678337  Size: SH
  10. Install the side rail lamp assist handle screws.
  11. Tighten
    Tighten the side rail lamp assist handle screws to 2 N·m (18 lb in).

  12. Close the assist handle covers pressing into place until fully seated.