GM Service Manual Online
For 1990-2009 cars only

Rear License Plate Lamp Replacement SWB

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

  1. Connect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Open the rear compartment lid.

  3. Object Number: 1946839  Size: SH
  4. For access to the license plate light bulb, remove the rear compartment lid interior trim clip and position the trim aside.
  5. Remove the license plate light bulb holder from the lamp body by rotating counterclockwise.

  6. Object Number: 1946840  Size: SH
  7. Insert a suitable tool under the licence plate lamp housing and release the locking tab (1) of the lamp.
  8. Pry the lamp assembly from the rear compartment lid and pivot and lower the lamp assembly from the lid.

Installation Procedure


    Object Number: 1947029  Size: SH
  1. Install a new license plate lamp assembly to the rear compartment lid. Pivot the lamp into the cavity and snap into position. Listen for an audible click from the locking tab (1) to confirm fitting.
  2. If necessary, install a new license plate light bulb into the license plate light bulb holder socket.
  3. Important: Check the condition of license plate bulb base seal and replace if necessary. The tabs on the bulb base and mating cut-outs in the lamp assembly allow the bulb to seat correctly in the lamp housing.

  4. Install the license plate light bulb holder to the lamp body in the rear compartment lid and rotate clockwise to secure.
  5. Check all vehicle lights for correct operation.

  6. Object Number: 1946839  Size: SH
  7. Install the rear compartment lid interior trim and secure with clip.
  8. Caution: Refer to Battery Disconnect Caution in the Preface section.

  9. Connect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.
  10. Close the rear compartment lid.

Rear License Plate Lamp Replacement LWB

Removal Procedure

    Caution: Refer to Vehicle Lifting Caution in the Preface section.

  1. Raise and support vehicle to suitable working height. Refer to Lifting and Jacking the Vehicle.

  2. Object Number: 1947030  Size: SH
  3. Using a suitable tool release the license plate lamp assembly retaining spring clip (1) and remove the assembly from the bumper.

  4. Object Number: 1947031  Size: SH
  5. Remove the license plate lamp bulb and bulb holder (1) by rotating the bulb holder counterclockwise.
  6. Pull the license plate lamp bulb from the bulb holder.
  7. Discard the licences plate lamp.

Installation Procedure


    Object Number: 1947031  Size: SH
  1. Install the license plate bulb and bulb holder (1) into the license plate lamp (2) and secure by rotating it clockwise.

  2. Object Number: 1947030  Size: SH
  3. Feed the license plate bulb assembly wiring harness up into its recess.
  4. Install the license plate lamp assembly, listen for an audible click from the retaining spring clip (1) to confirm fitting.
  5. Lower the vehicle.
  6. Test lights for correct operation.