Can you replace a tail light bulb yourself?
Yes. In most cars you can replace a tail light bulb yourself, using the right bulb and a few basic tools. Some newer vehicles use sealed LED assemblies or hard-to-access housings, which may require professional service or replacing the entire unit.
Tail light setups vary by model, and the exact steps can differ. Checking your owner's manual or the bulb itself for the correct type is essential before you begin. If you encounter resistance or uncertainty, professional help is a prudent option.
Understanding your tail light setup
Before you start, identify whether your tail light uses a replaceable bulb or a sealed LED unit. If the bulb is accessible from the exterior or trunk and can be swapped without replacing the entire assembly, this guide applies. If you have a sealed LED module, replacing an individual LED is usually not possible and the whole housing may need replacement.
Bulb types and compatibility
Tail lights can host different bulb configurations, including single-filament, dual-filament, and various wattages. Some cavities share bulbs for tail, brake, and turn functions. The correct bulb type is specified in the owner’s manual and often printed on the bulb itself. Always replace with the exact type and wattage to maintain visibility and avoid electrical issues.
Below are the tools and steps you’ll typically use to replace a tail light bulb.
Tools and supplies you may need to replace a tail light bulb
- Replacement tail light bulb of the correct type (check the owner's manual or the bulb in the socket).
- Gloves or a clean cloth to handle the new bulb and avoid skin oils on the glass.
- Basic hand tools (screwdriver: flat-head or Phillips, and/or a socket wrench set) depending on how the housing is mounted.
- Possibly needle-nose pliers or small pry tools for removing clips or connectors.
- Owner's manual or a bulb guide for reference.
Having the right bulb and basic tools helps ensure a clean replacement and reduces the risk of damage to the housing or wiring.
Step-by-step guide to replacing a tail light bulb
Follow these steps to replace the bulb safely and effectively. If any step seems unclear for your model, consult the vehicle’s manual or a professional.
- Park on a flat surface, turn off the engine, remove the key, and set the parking brake. If the tail lights were recently on, wait for the area to cool.
- Open the trunk or tailgate to access the interior side of the tail light assembly. Remove any interior trim panels or covers blocking access using the appropriate screwdriver or pry tool.
- Locate the bulb assembly within the housing. If the lens or cover is held by screws or clips, remove them to expose the bulb socket.
- Detach the bulb from the socket by twisting counterclockwise or pulling straight out, depending on the design. If there’s a wiring connector, disconnect it carefully.
- Remove the old bulb and note its orientation. Do not touch the glass of the replacement bulb with bare skin; use gloves or a cloth.
- Install the new bulb into the socket, ensuring it is seated properly. Reconnect the wiring harness if you disconnected it and replace the bulb cover or lens.
Reassemble any interior panels, reseal the housing as needed, and secure all fasteners. Test the lights by turning on the parking lights, brakes, and signals to confirm proper operation and a secure seal against moisture.
When professional help is advisable
If your vehicle uses a sealed LED tail light, if the housing is integrated into the bumper, or if you notice water intrusion, cracks, or corrosion, professional service is recommended. Some models require special tools or a full assembly replacement. If your warranty is active, verify whether DIY work affects coverage. If you suspect an electrical issue beyond a simple bulb replacement, a technician can diagnose the fault safely.
Summary
Most drivers can replace a tail light bulb themselves by identifying the correct bulb type, gathering the right tools, and following a straightforward procedure. However, not all tail lights are user-serviceable—sealed LED units or integrated assemblies often require professional replacement. Always consult the owner’s manual for model-specific guidance, confirm bulb compatibility, and test the lighting after replacement to ensure safety and compliance with road rules.
Will O'Reilly replace my tail light bulb?
Our parts professionals are experts at installing headlight bulbs and tail light bulbs*, and can quickly and easily change wiper blades while you wait at no cost to you.
Is it easy to change a tail light bulb?
Yes, changing a tail light bulb is usually an easy DIY task that requires minimal tools like a screwdriver or socket wrench. Most vehicles allow you to access the bulb from inside the trunk by removing a panel and twisting the old bulb socket out to replace the bulb.
This video demonstrates how to replace a tail light bulb: 59sHome & Garden for Mere MortalsYouTube · Nov 5, 2016
General steps to change a tail light bulb
- Locate the bulb: Open the trunk or cargo area to access the back of the tail light assembly. You may need to move a fabric liner or plastic panel to get to the back of the light.
- Access the socket: Find the bulb socket connected to the back of the tail light. You will likely need to turn the socket counterclockwise to unlock it from the assembly.
- Remove the old bulb: Once the socket is free, push the old bulb in slightly and then pull or twist it straight out to remove it.
- Insert the new bulb: Align the new bulb with the socket, push it in until it clicks, and then twist the socket back into the assembly until it locks into place.
- Reassemble: Reinstall any panels or covers you removed, and check that the new bulb works.
Will AutoZone change a tail light bulb?
AutoZone staff may help with simple tail light bulb replacements if you purchase the bulb there, but this is not guaranteed and varies by location. For complex installations that require removing interior panels or significant disassembly, AutoZone does not provide the service and you may need to consult a mechanic.
What AutoZone will do
- Sell you the correct bulb: Staff can help you find the right bulb for your vehicle.
- Offer advice: They can provide step-by-step instructions or refer you to resources, such as AutoZone's DIY lighting guides.
- Assist with easy replacements: If the bulb is easily accessible, an associate might be willing to install it for you.
What AutoZone will not do
- Perform complex installations: They will not replace a bulb if it requires significant disassembly, such as removing interior trim or the entire tail light assembly.
- Offer full-service repair: AutoZone is a parts retailer, not a full-service repair shop, so they cannot handle complex repairs.
Before you go
- Call ahead: It's best to call your local AutoZone to confirm if they offer assistance with simple bulb replacements and to ask about any restrictions.
- Check your owner's manual: This will give you specific instructions for your vehicle and tell you if the job is simple or requires special tools.
Is it illegal to drive with one tail light out?
Driving with a broken tail light can lead to being pulled over by a police officer, and potentially getting a ticket.
