1. Park your car in a safe location and turn off the engine.
2. Open the trunk.
3. Locate the tail light assembly that needs to be replaced.
4. Remove the two screws that hold the tail light assembly in place.
5. Disconnect the electrical connector from the back of the tail light assembly.
6. Remove the tail light assembly from the vehicle.
7. Remove the old light bulb(s) from the tail light assembly.
8. Connect the new light bulb(s) to the tail light assembly.
9. Reinstall the tail light assembly into the vehicle.
10. Secure the tail light assembly with the two screws.
11. Reconnect the electrical connector.
12. Test the tail light(s) to make sure they are working properly.
13. Close the trunk.
Here are some additional tips for changing a tail light or brake light on a 2005 Ford Focus:
* Make sure that you have the correct replacement bulbs for your vehicle.
* If you are not comfortable changing the bulbs yourself, you can take your vehicle to a qualified mechanic.
* Be careful not to drop the tail light assembly when removing it from the vehicle.
* Make sure that the tail light assembly is properly seated before securing it with the screws.
