GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Seville 🢒 Body and Accessories 🢒 Body Rear End 🢒 High Mount Stop Lamp Replacement

Removal Procedure
  1. Open the rear compartment lid.
  2. Remove the rear compartment lid trim. Refer to Rear Compartment Lid Inner Panel Trim Replacement .
  3. Remove the backup lamp. Refer to Backup Lamp Replacement .

    4. Object Number: 105284 Size: SH
  4. Disconnect the high mounted stoplamp connector (5) from the wiring harness. Press the grommet (4) from the rear compartment lid.
  5. Remove the bolts (2) retaining the high mounted stoplamp panel (1) to the rear compartment lid (3).
  6. Pull the high mounted stoplamp panel (1) downward to disengage it from the rear compartment lid (3).
  7. Remove the high mounted stoplamp panel (1) and place it face down on a clean protective surface.

    8. Object Number: 105082 Size: SH
  8. Remove the bolts (1) retaining the high mounted stoplamp (2) to the filler panel (3).

Installation Procedure

    Object Number: 105082 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.

  1. Install the bolts (1) to retain the high mounted stoplamp (2) to the filler panel (3).

    2. Tighten
    Tighten the high mounted stoplamp mounting bolts to 2 N·m (18 lb in).


    Object Number: 106475 Size: SH
  2. Inspect the rear compartment lid (2) to ensure that the upper retainers (1) and the lower retainers (3) are present. If the retainers are damaged they should be replaced.

    3. Object Number: 105284 Size: SH
  3. Position the high mounted stoplamp panel (1) to allow the high mounted stoplamp connector (5) and the grommet (4) to pass through the rear compartment lid (3). Ensure that the grommet (4) is fully seated in the rear compartment lid (3). Connect the high mounted stoplamp connector (5) with the wiring harness.
  4. Position the high mounted stoplamp panel (1) on the rear compartment lid (3) and press it upwards to engage the locator tabs.
  5. Install the bolts (2) to retain the high mounted stoplamp panel (1) to the rear compartment lid (3).

    6. Tighten
    Tighten the high mounted stoplamp panel retaining bolts to 2 N·m (18 lb in).

  6. Install the backup lamp. Refer to Backup Lamp Replacement .
  7. Install the rear compartment lid trim. Refer to Rear Compartment Lid Inner Panel Trim Replacement .
  8. Close the rear compartment lid.