GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Optra 🢒 Service and Appearance Care 🢒 Bulb Replacement 🢒 Center High-Mounted Stoplamp (CHMSL)

Center High-Mounted Stoplamp (CHMSL) Sedan

To replace a CHMSL bulb on a sedan model, do the following:

  1. Open the trunk. See Trunk for more information.

    2. Object Number: 1273054 Size: B3
  2. Remove the two screws which are recessed on the underside of the decklid.
  3. Disconnect the wiring harness connector before you remove the lamp housing.
  4. Remove the lamp housing.
  5. Remove the two screws and the reflector assembly.
  6. Remove the bulb by pulling it straight out of the bulb socket.
  7. Install the new bulb.
  8. Reverse Steps 1 through 5 to install the lamp assembly.