Free Shipping on all order over $89.99

LED Reverse & Backup Light Bulbs

Upgrade your rear visibility with bright LED reverse and backup light bulbs for cars, trucks, and SUVs. Shop plug-and-play and CANbus-compatible options designed to improve reversing, parking, and nighttime backup-camera visibility.

View as

  • 45 Day Returns

    Hassle-free & easy

  • Talk to a Specialist

    Call us (561) 918-5225

  • Free Shipping

    On orders over $89.99

  • Ships Same Day

    If order is placed before 2PM EST

2000+ Verified Reviews

With a 4.95 average rating across Google and Judge.me, Underground Lighting has earned the trust of drivers looking for dependable LED lighting upgrades. See why customers choose us for fitment support, quality products, fast shipping, and brighter lighting solutions for cars, trucks, and SUVs.

LED Reverse & Backup Light Bulbs | White CANbus Rear Illumination

At Underground Lighting, we offer a premium collection of white LED reverse and backup light bulbs, designed to enhance rear visibility when reversing, parking, and using a backup camera at night. Collection includes vehicle-specific kits, such as reverse bulbs for the 2021+ Ford F-150 STX, socket-specific sets for 921 T15, 1156, 3156 / 3157, and 7440 / 7443, and CANbus-compatible options designed for supported vehicle electrical systems.

When reverse gear is engaged, reverse lights automatically illuminate the area behind the vehicle and signal to pedestrians and other drivers that the vehicle is backing up. Many modern vehicles commonly manage this function through the body control module, or BCM.

Bulbs are equipped with solid-state LED technology rather than the heated filaments found in traditional halogen reverse bulbs. The collection includes options for both single- and dual-function socket applications, including 7440 and 7443, with products designed for standard 12V automotive electrical systems.

Unlike long-range forward lighting, reverse bulbs project light through the rear lens and reflector to create a wide, short-range beam. This helps illuminate the ground, nearby obstacles, parking lines, and the field of view used by compatible rear cameras.

  • Light color: White output for reverse and backup-light applications
  • Beam pattern: Wide, short-range illumination for parking and reversing
  • Electrical system: Designed for compatible 12V factory wiring and reverse-light circuits
  • Optical fitment: Socket-matched options designed to seat correctly inside compatible OEM housings
  • Main applications: Reversing, parking, backup-camera support, and rear-area visibility

Underground Lighting’s collection also includes many CANbus-compatible reverse and backlights. They serve to reduce bulb-out warnings, flickering, or BCM errors that can occur when an LED bulb draws less power than the original halogen bulb. Selected products use built-in load correction, while requirements vary by vehicle, model year, and reverse-light circuit.

Improved reverse illumination can also provide a clearer nighttime image for compatible backup cameras and help make nearby obstacles easier to see when parking. It does not replace the need to check mirrors, camera views, and the surrounding area before reversing.

These bulbs work alongside LED tail light bulbs, LED brake light bulbs, and LED turn signal bulbs in rear lamp assemblies, where multiple lighting functions may share the same housing.

Reverse lamps are required vehicle lighting on applicable vehicles under FMVSS No. 108 in the United States. Their mounting, visibility, activation, and replacement requirements should not be compromised during bulb upgrades, and local road-use requirements should also be checked.

Need help confirming the correct socket or vehicle application? Click here to contact us and find the right fit for your vehicle.

The available socket sizes, vehicle-specific products, CANbus options, and rated outputs above reflect the current collection.

Why Choose Underground Lighting Reverse Lights

  • 2–4× brighter rear illumination vs halogen

    Underground Lighting’s LED reverse lights offer stronger white illumination than standard halogen bulbs. This helps drivers to see parking lines, curbs, nearby objects, and the ground behind the vehicle more clearly in low-light conditions. The usable light also improves scene detail for compatible backup cameras.

  • Instant activation (0 ms warm-up)

    Underground Lighting LED reverse bulbs illuminate within milliseconds when reverse gear is engaged. This instant response quickly signals that the vehicle is backing up while providing full rear illumination without the gradual brightening associated with filament-based bulbs.

  • Wide, short-range beam pattern

    Our reverse-light options are designed to work with compatible rear housings and reflectors, spreading light across the area directly behind the vehicle. This wider coverage helps reduce poorly lit areas around parking spaces, the license plate zone, and the backup camera's field of view.

  • CANbus / load-corrected options to avoid errors

    For vehicles with BCM-monitored lighting circuits, we have correctly matched CAN bus-compatible with built-in-resistor options available to reduce false bulb-out warnings, flickering, and electrical errors caused by LEDs' lower power draw.

  • Long service life: 25,000+ hours

    Solid-state LED construction eliminates the fragile filament used in halogen bulbs. Some premium reverse bulb collections are rated for extended operating life, helping reduce replacement frequency when the correct bulb is installed in a compatible housing.

  • Vehicle-matched fitment reduces installation risk & Warranty Protection

    Underground Lighting offers socket-correct and vehicle-specific options for applications including 921/T15, 1156, 3156/3157, 4257, and 7440/7443. Correct fitment helps preserve polarity, secure mechanical seating, reflector alignment, and dependable operation, while warranty support provides added confidence after purchase.

How to Find Out Which LED Backup Light Bulbs You Need

Not sure which LED reverse lights fit your vehicle? Finding the correct bulb is straightforward when you confirm the socket size and vehicle application before placing the order.

  1. Check the bulb currently installed: Open the trunk, tailgate, or rear access panel and locate the reverse-light socket. The bulb number is usually printed on the bulb base and may include a size such as 921/T15, 1156, 3156/3157, 4257, or 7440/7443.
  2. Review your owner’s manual or use the vehicle finder: Your owner’s manual may list the reverse-light size under lighting, exterior bulbs, or bulb specifications. You can also enter the vehicle’s year, make, and model into our finder tool to narrow down compatible options.
  3. Match the bulb type and electrical requirements: Once you identify the size, confirm whether the vehicle needs a standard plug-and-play bulb, a CANbus-compatible option, or a bulb with a built-in resistor. Also check the quantity, polarity, connector style, and available space inside the housing.
  4. Compare vehicle-specific applications where available: Some vehicles use different reverse bulbs depending on the model year, trim, or factory lamp package. Compare the product listing with the bulb currently installed rather than relying only on the vehicle name.

Watch these helpful Underground Lighting videos for step-by-step guidance, product details, and real-world installation tips.

Looking for LED reverse light bulbs that fit your vehicle?

Vehicle Part Search

Call us at Call (561) 918-5225 or Send an Email

LED Reverse Lights FAQs

Depending on bulb size, brightness, CANbus compatibility, and built-in resistor options, LED reverse light bulbs usually cost between $39.99 and $129.99 per pair.

Basic LED backup light bulbs are affordable, while high-output CANbus reverse light sets and no-error LED reverse bulbs usually cost more. The main factors that decide price are lumen output, socket type, vehicle application, built-in load correction, and whether the bulb is designed for a specific truck or SUV.

Many automotive LED bulbs are polarity-sensitive, which means the positive and negative contacts must align correctly. If a compatible wedge-style bulb does not illuminate after installation, remove it, rotate it 180 degrees, reinstall it, and test it again.

Do not force a keyed connector or modify the socket. If the bulb still does not work, check the socket, fuse, wiring, and product compatibility.

Not every vehicle requires a resistor. Many LED reverse bulbs work directly with the factory socket, while vehicles that monitor bulb resistance may display an error message, flicker, or switch the bulb off because the LED uses less power than the original halogen bulb.

Choose a CANbus-compatible or built-in-resistor option when required by the vehicle. Only add an external resistor when the product instructions or fitment requirements call for one, as resistors can become hot during operation.

Brightness varies by bulb size, housing, chip design, and product rating. The Underground Lighting collection includes standard-output replacement bulbs as well as high-output CANbus reverse-light sets rated at 10,000 or 12,000 lumens per set.

The highest number is not always the best choice. A correctly fitted bulb with a wide, controlled beam can provide better usable rear visibility than a higher-rated bulb that does not work properly with the reflector.

You may require a relay when replacing a factory halogen reverse bulb with a compatible plug-and-play LED bulb. The bulb should operate through the existing reverse-light circuit.

A CANbus decoder or load resistor may be needed if the vehicle displays an error or the bulb flickers. Custom auxiliary reverse lights or high-power aftermarket lighting may require separate wiring and a relay, depending on the electrical load.

Installation varies by vehicle, but the general process is:

  1. Park safely, switch off the ignition, and secure the vehicle.
  2. Access the reverse-light socket through the trunk, tailgate, or rear lamp assembly.
  3. Remove the existing bulb without damaging the socket or wiring.
  4. Install the correct LED replacement and confirm that it is fully seated.
  5. Test both reverse lights before reinstalling covers, screws, or trim.

Use the parking brake and, where possible, have another person check the lights. Do not stand directly behind an unsecured vehicle while it is in reverse.

No. Brake and reverse lights may share the same rear lamp assembly, but due to different circuits and bulb types, they are not the same. Brake lights emit red light when the brake pedal is pressed, indicating to other road users that the vehicle is slowing or stopping. Reverse lights produce white light when reverse gear is engaged to illuminate the area behind the vehicle and signal that it may move backward.

You may get higher brightness from reverse lights by installing the correct high-output LED bulbs for the factory socket and housing. Also clean the outer lens, check for condensation or clouding, inspect the electrical connections, and confirm that the bulbs are fully seated.

If the new bulbs still appear dim, have the socket voltage, ground connection, reflector, and wiring checked. Adding an incompatible or excessively powerful bulb can create heat, glare, or electrical problems rather than improving useful visibility.

You should not drive with non-functioning reverse lights. Backup lamps are required lighting equipment on applicable vehicles under FMVSS No. 108, and state inspection or road-use rules may also require them to work properly.

Failed reverse lights reduce your visibility while backing up and make it harder for pedestrians and other drivers to recognize that the vehicle is reversing. Repair the bulbs, fuse, switch, socket, or wiring before normal use.

Many aftermarket backup cameras use the positive reverse-light wire as the trigger signal, so the camera or display activates when reverse gear is selected. The exact wire, voltage requirements, grounding method, and connection procedure vary by vehicle and camera system.

Follow the camera manufacturer’s wiring diagram and verify the circuit with the correct testing equipment. Professional installation is recommended for vehicles with BCM-controlled lighting, pulse-width modulation, or an integrated factory camera system.

The exact procedure depends on the truck, but most installations follow these steps:

  1. Open the tailgate and locate the screws, bolts, or clips securing the rear lamp assembly.
  2. Carefully remove the lamp without pulling or damaging the wiring.
  3. Find the reverse-light socket and rotate it as directed to release it.
  4. Remove the old bulb and install the correct LED replacement.
  5. Refit the socket, test the light, and reinstall the lamp assembly securely.

Some trucks provide access from behind the lamp or underneath the bed rather than through a removable assembly. Check the owner’s manual or installation video for the specific make and model before removing parts.

Back to top
Compare /3