GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Denali Classic 🢒 Service and Appearance Care 🢒 Bulb Replacement 🢒 Headlamps

To replace a headlamp bulb:

  1. Open the hood. See Hood Release for more information.

    2. Object Number: 809093 Size: B3
  2. Remove the two pins on the top of the headlamp assembly. To remove the outer pin, turn outward and pull it straight up. To remove the inner pin, turn it in and pull it straight up.

      3. Object Number: 1819477 Size: B2

      Low-Beam Headlamp

      High-Beam Headlamp

  3. Pull the headlamp assembly out.
  4. Unplug the electrical connector.
  5. Turn the old bulb counterclockwise and remove it from the headlamp assembly.
  6. Put the new bulb into the assembly and turn it clockwise until it is tight.
  7. Plug in the electrical connector.
  8. Reinstall the headlamp assembly.
  9. Reinstall and tighten the two pins.