Before you begin
The tail lights might need to be changed multiple times in your vehicle's lifetime. This guide will help you replace a broken tail light bulb in your 2005 Ford Focus ZXW. The tail light signals to other drivers if the vehicle is stopping, slowing down, or changing direction. A broken tail light can cause confusion for other drivers. Ultimately, this guide can help avoid receiving a ticket from the police or causing an accident. Before beginning this repair, power down the ignition, place the car in park, and engage the parking brake.