How to replace light for license plate?

The license plate light is a simple, routine maintenance task that usually involves removing the existing bulb and installing a replacement in the same housing. Start by confirming the correct bulb type for your vehicle, then follow safe, step-by-step procedures to swap it and verify proper illumination to stay within legal requirements.

Identify the correct bulb type

Knowing the exact bulb or LED module used by your plate light prevents improper replacement and future electrical issues. If you’re unsure, consult your owner’s manual, check the current bulb for markings, or search the vehicle’s year/make/model for the factory specification.

• Check the existing bulb for base type and size (common types include W5W, 194, 168, 921, or similar bayonet/plug-in bases).


• Inspect the license plate light assembly for any model numbers or part numbers.


• Determine whether your vehicle uses an incandescent bulb or an integrated LED module in the housing.

With the correct bulb type confirmed, you can purchase a compatible replacement that meets brightness, color, and legal requirements.

Tools, materials, and safety considerations

Gather the basic tools and take precautions to avoid damage to the light housing, wiring, or plate. The exact access method varies by car, but the essentials are similar across most models.

• Replacement bulb or LED module matching the identified type


• Small screwdriver (flat-head or Phillips, depending on screws) or socket driver if needed


• Clean cloth or gloves to handle bulbs without skin oils transferring to the glass


• Optional: flashlight, because the rear of the license plate area can be dim in some vehicles


• Disconnect the negative battery terminal if you’ll be working near the wiring harness or you prefer extra safety

Taking these precautions helps prevent short circuits, corrosion, and skin oils from reducing bulb life. Always work with the ignition off and the lights off to avoid shocks or accidental activation.

Step-by-step replacement process

Follow these general steps. Some vehicles require slight variations (for example, removing the license plate frame or unclipping the lens). If your vehicle’s manual provides a different method, follow that guidance.

1. Locate the license plate light housing behind the plate. Remove any screws or clips that hold the lens or frame in place.


2. Carefully detach the lens or housing to access the bulb socket. Some designs use a twist-lock or plug-in connector.


3. Carefully disconnect the bulb from the socket. If it’s a twist-lock bulb, rotate counterclockwise to release.


4. Handle the replacement bulb by its base or with a clean cloth if needed. Avoid touching the glass with bare fingers if it’s a halogen bulb, as oils can shorten its life.


5. Install the new bulb or LED module into the socket, ensuring it seats securely and aligns with the connector or base.


6. Reassemble the lens/frame and secure any screws or clips you removed earlier.


7. Reconnect the battery (if disconnected) and turn on the exterior lights to verify the license plate is illuminated clearly.

Careful handling during replacement reduces the chance of damage, moisture intrusion, or misalignment that can affect illumination.

Testing, alignment, and legal compliance

After installation, test the system and verify that the plate is clearly lit from typical viewing distances, and that the light conforms to local rules for color and brightness.

• Test with the vehicle’s parking lights or headlights to ensure the plate is illuminated from the correct angle and distance.


• Check that the light is white (or as required by local law) and that there is no glare or uneven hotspots on the plate.


• Inspect for moisture or condensation inside the lens—replace seals or reseal if needed to prevent corrosion.


• If you replaced with LEDs, confirm there are no CAN-bus or error-wiring issues; some cars require resistors or a plug-and-play module to avoid dashboard bulb warnings.

Proper illumination improves plate readability for law enforcement and helps you stay compliant with state or national vehicle lighting regulations.

LED vs. incandescent: considerations and best practices

Choosing the right option

LED replacements can offer longer life and brighter, more durable operation, but they may require attention to compatibility and electrical load. Incandescent bulbs are simple but shorter-lived. If you switch to LEDs, verify that the module is designed for license plate lighting and that it won’t trigger resistance or warning systems on your vehicle.

Important notes

Some vehicles use integrated LED assemblies that are not easily replaceable bulb-by-bulb. In those cases, you may need to replace the entire light housing or module. Always verify whether the bulb is serviceable or if a full replacement is needed, and ensure any LED option complies with local lighting laws and vehicle warranties.

When to seek professional help

If you encounter stubborn screws, water intrusion, corroded connectors, or the license plate light remains inoperative after a replacement, a professional mechanic can diagnose electrical faults, seal components for moisture resistance, and ensure compliance with local regulations.

Summary

Replacing a license plate light is usually a quick, straightforward DIY task that involves identifying the correct bulb or LED module, gathering basic tools, safely swapping the component, and testing the illumination for visibility and legal compliance. While steps are broadly similar across vehicles, some models require special access or integrated LEDs. When in doubt, consult your vehicle’s manual or a professional to ensure a clean installation and ongoing compliance.

Can you replace your own license plate light?

It. Then you're able to pull out your old bulb. And install your new bulb. Then you can reinstall your light housing. By putting it over the lights.

How do you replace the license plate light?

To change a license plate light, locate the light housing above the license plate, use a screwdriver to release the screws or pry the cover, remove the old bulb by twisting the socket or pulling it straight out, insert a new bulb (handling it carefully to avoid touching the glass), and then reassemble the housing.
 
1. Prepare for the change

• Gather supplies: Get a replacement bulb that is compatible with your vehicle. You may also need a flathead or Phillips head screwdriver.
• Safety first: Park your car, engage the emergency brake, and turn the ignition to the accessory position. 

2. Access the bulb

• Locate the housing: Find the light fixture(s) directly above the license plate. 
• Remove the cover: 
  • Screws: Use a screwdriver to remove the screws holding the cover in place. 
  • Pry-off covers: If there are no screws, use a flathead screwdriver to gently pry the cover off, or push in a notch to release it. 
  • Twist-off housing: Some assemblies twist to the side to release. You may need to twist the housing counterclockwise to detach it from the vehicle. 

This video demonstrates how to remove the license plate light housing: 1mPYR Automotive YouTube · Jan 28, 2021
3. Replace the bulb 

• Remove the old bulb: 
  • Pull the bulb straight out of its socket. 
  • If it's a twist-in socket, rotate it counterclockwise and then pull the bulb out. 
• Install the new bulb: 
  • Handle carefully: Do not touch the glass of the new bulb with your bare hands, as the oils can cause it to burn out faster. Use a glove or a cloth if possible. 
  • Insert firmly: Push the new bulb straight into the socket until it is securely in place. 
  • Twist into place: If the socket twists, rotate it clockwise until it locks or clicks into the housing. 

This video shows how to replace the license plate light bulb: 1mBig Dog50001 AutomotiveYouTube · Sep 13, 2025
4. Finish up

• Reassemble: Put the light cover or housing back on and secure any screws you removed. 
• Test the light: Turn on your headlights to ensure the new bulb is working properly. 

Can I get pulled over for no license plate light?

Most states categorize equipment violations as non-moving. One of the most common non-moving violations has to do with the light for your license plate. You may not think much of this light, but you can actually receive a ticket for it if it burns out.

Is it easy to change number plate light?

To remove the bulbs, simply pull gently. Try not to pull too hard, and if they don't come out straight away, be patient. Now you should be able to insert the replacement bulbs. As with all bulbs, take care to handle them gently as the glass of the bulb is often quite thin and delicate, and therefore easily damaged.