Best Car Lighting Relays of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 8, 2025

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Car lighting relays are essential components that help to control the flow of electricity to a vehicle's lighting system. These relays act as switches that turn the lights on and off, allowing drivers to adjust the brightness of their headlights, taillights, and other lighting fixtures. Car lighting relays are typically made from high-quality materials that are designed to withstand the rigors of daily use, and they come in a variety of sizes and styles to fit different makes and models of vehicles. Whether you're looking to upgrade your car's lighting system or simply need to replace a faulty relay, there are plenty of options available to suit your needs.

At a Glance: Our Top Picks

Fog Light Connector Kit Sawyer Auto Tahoe Cover #TOP 1
Fog Light Connector Kit Sawyer Auto Tahoe
ftb score rating icon 9.9
Peterson Mfg M165A Led Marker/Clearance, Pc, Round, 2 Cover #TOP 2
Peterson Mfg M165A Led Marker/Clearance, Pc, Round, 2
ftb score rating icon 9.8
Neerttily Right Fog Light for Camry Cover #TOP 3
Neerttily Right Fog Light for Camry
ftb score rating icon 9.6

Top 10 Car Lighting Relays

#TOP 1

Fog Light Connector Kit Sawyer Auto Tahoe

Sawyer Auto
PCK-686320
Fog Light Connector Kit Sawyer Auto Tahoe Cover
Replacement Fog Light Connector Kit Mechanics Choice for 2007-2015 Chevrolet Tahoe

The Fog Light Connector Kit Sawyer is designed to fit your 2007-2015 Chevrolet Tahoe perfectly. Using the fitment search tool ensures that this part suits your vehicle, providing peace of mind. It meets OE standards, meaning it’s manufactured with modern tooling for quality and reliability. This kit is an upgrade from the original materials, enhancing your vehicle's performance. Plus, it installs directly and seamlessly, just like the factory unit, making the replacement process easy and straightforward.

What We Like
Perfect fit for Tahoe
High-quality manufacturing
Easy installation
Reliable performance
#TOP 2

Peterson Mfg M165A Led Marker/Clearance, Pc, Round, 2

Peterson Mfg M165A Led Marker/Clearance, Pc, Round, 2 Cover
Peterson Mfg M165A Led Marker/Clearance, Pc, Round, 2"

Upgrade your vehicle with the Peterson LED Marker Light. This American-made light features 5 diodes, making it bright and efficient. The multivolt option ensures compatibility with various systems. Its PC rating guarantees durability. When mounted at a 45° angle, it serves as both a clearance and side marker light, saving you space and providing dual functionality.

What We Like
Bright LED
USA Made
Dual Functionality
#TOP 3

Neerttily Right Fog Light for Camry

Neerttily
DCAA80136-13463685
Neerttily Right Fog Light for Camry Cover
Neerttily Fog Light Right Passenger Side Primed Trim Driving Lamp Hand for Toyota for Camry CE 07-08 & LE/SE/XLE 07-09 13463685 5212706040

The Neerttily Fog Light is designed specifically for the right passenger side of Toyota Camry models from 2007 to 2009. Before making your purchase, it's essential to verify compatibility with your vehicle using Amazon's Fitment Filter. This fog light comes in a primed finish, allowing you to paint it to match your car's exterior perfectly. Sold individually, it ensures you get just what you need for your lighting needs. With the part numbers 13463685 and 5212706040, you can easily identify this product when searching for replacements.

What We Like
Compatible with specific Camry models
Primed finish for easy customization
Sold individually for convenience
Easy identification with part numbers
#TOP 4

AUTOPARTS FACTORY Fog Light Trim

AUTOPARTS FACTORY
VXSA80136-13463685
AUTOPARTS FACTORY Fog Light Trim Cover
AUTOPARTS FACTORY Fog Light Trim Driving Lamp Passenger Right Side Right Hand Fits TO2599101

The AUTOPARTS FACTORY Fog Light is designed specifically for the front right side of your vehicle, ensuring a perfect fit. Before purchasing, you can easily confirm compatibility with your car using the Amazon Fitment Filter. This fog light trim is sold individually, allowing you to replace only the necessary parts without buying in bulk. It comes primed, which means you can paint it to match your vehicle's color, enhancing its appearance and functionality. With these features, you can improve visibility during foggy conditions and elevate your car's overall look.

What We Like
Easy installation
Customizable color
Individual sale option
Designed for specific fit
#TOP 5

VIRAZE Fog Light Trim Left

VIRAZE
YPNA80136-14873484
VIRAZE Fog Light Trim Left Cover
VIRAZE Fog Light Trim Driving Lamp Driver Left Side Left Hand TO1038138 5212835070 (Paint to Match)

The VIRAZE Fog Light Trim is designed to enhance your vehicle's lighting system. Before making a purchase, it’s essential to verify its compatibility with your car using Amazon's Fitment Filter. This fog light trim is specifically for the front left side, ensuring a precise fit. It comes with a paint-to-match finish, allowing for a seamless integration with your vehicle’s color. Additionally, the product is delivered locally, so you can expect to receive it promptly. If you have any questions, a professional after-sales support team is available to assist you, providing peace of mind.

What We Like
Easy installation
Custom paint match
Fast local delivery
Helpful customer support
#TOP 6

MRRWIBH Fog Light Trim Set

MRRWIBH
A80136-14870414
Black
MRRWIBH Fog Light Trim Set Cover
MRRWIBH Fog Light Trim Set for Lexus for CT200h 2011-2013 Left & Right W/Fog Light Hole 2pc (Textured)

The MRRWIBH Trim Set includes (2) Fog Light Trims designed for the front left or right location of your vehicle. Before purchasing, ensure compatibility by checking the Amazon Fitment Filter and Description. The Textured Black color adds a sleek look to your car. The set is easy to install and enhances visibility during foggy conditions, improving your safety on the road.

What We Like
Enhances visibility
Easy to install
Sleek Textured Black color
#TOP 7

OYYMTE Fog Light Bezel Set

OYYMTE
WCLA80147-PZYJ27898
OYYMTE Fog Light Bezel Set Cover
OYYMTE Compatible with Fog Light Bezel Set PZYJ27898

The OYYMTE Fog Light Bezel offers a perfect fit for your vehicle, but it’s important to check the Amazon Fitment Filter before purchasing. With a professional-grade auto parts team available around the clock, you can get answers to any questions you might have, ensuring a smooth buying experience. Additionally, the local delivery option means you receive your package promptly, minimizing wait times. This product is designed for both the left and right front positions, and it arrives in a ready-to-paint black finish, allowing you to customize it to match your vehicle's style.

What We Like
24/7 customer support
Quick local delivery
Customizable ready-to-paint finish
Perfect fitment guidance
#TOP 8

Neerttily Left Fog Light for Lexus ES

Neerttily
DCAA80136-12499924
Chrome,Silver
Neerttily Left Fog Light for Lexus ES Cover
Neerttily Fog Light Left Driver Side Chrome and Silver Trim Driving Lamp Hand for Lexus for ES300h Base 13-15 for ES350 Base 13-15 LX1038104 12499924

The Neerttily Fog Light is specifically designed for the left side of Lexus ES300h and ES350 models from 2013 to 2015. Before making your purchase, it's essential to check the fitment to ensure compatibility with your vehicle. This fog light comes in a stylish chrome and silver finish, enhancing your car's appearance while providing improved visibility during foggy conditions. Sold individually, it allows you to replace only the necessary part without the need for a complete set, offering both convenience and cost-effectiveness. The part numbers, 12499924 and LX1038104, help you easily identify the right replacement for your needs.

What We Like
Compatible with specific Lexus models
Stylish chrome and silver finish
Individual sale for cost savings
Enhanced visibility in fog
#TOP 9

OYYMTE Fog Connector 200 53822SS

OYYMTE
WCLA86011-53822SS
OYYMTE Fog Connector 200 53822SS Cover
OYYMTE Compatible with Crew Cab Extended Fog Connector 200 53822SS

The OYYMTE Fog Connector is designed specifically for your vehicle, so it’s essential to check the Amazon Fitment Filter to ensure compatibility before making a purchase. This product comes with a 12-month warranty, giving you peace of mind with your investment. Each connector is brand new and packaged directly from the factory, ensuring it meets strict quality control standards. Plus, with local delivery, you can receive your package promptly. Should you have any questions, the professional after-sales team is available 24/7 to assist you, making your experience as smooth as possible.

What We Like
Easy fitment check
12-month warranty
Fast local delivery
24/7 expert support
#TOP 10

Neerttily Fog Light Trims for BMW X5

Neerttily
DCAA80136-14862694
Neerttily Fog Light Trims for BMW X5 Cover
Neerttily Set of 2 Fog Light Trims Driving Lamp Driver & Passenger Side Left Right X5 Pair for BMW for X5 3.0i/4.4i/4.8is 04-06 Primed BM1038138 BM1039138

The Neerttily BMW X5 Fog Trims are designed to enhance your vehicle's lighting system. Before purchasing, it's essential to check the fitment to ensure compatibility with your BMW X5 model. These trims come in a primed finish, ready for painting to match your car's color. They are sold as a set of two, providing a complete solution for both the driver and passenger sides. With these fog light trims, you can improve your car's visibility in poor weather conditions, making your driving experience safer and more enjoyable.

What We Like
Easy installation
Improved visibility
Customizable color
Complete set included
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Why is relay used in car lights?

Relays are used in car lights to prevent the switch from handling high currents required for the headlamps. By using a relay, the switch can control the relay coil, which then controls the high current required for the lights.

2. What happens when a relay goes bad?

When a relay goes bad, it can result in a loss of power to the fuel pump and ignition system. This can lead to a no power condition and prevent the car from starting.

3. What is the most common problem found with a relay failure?

The most common failure mechanisms of relays are contamination and mechanical wear of the internal switching elements. While solid-state relays are generally more reliable for long-life applications, contamination and mechanical wear can still lead to failures.

4. What happens when a relay goes out?

If a relay goes out while the engine is operating, it can cut off power to the fuel pump and ignition system. This will cause the vehicle to stall immediately due to the lack of fuel and spark.

5. Do I need a relay for 12V lights?

The need for a relay for 12V lights depends on the amp draw of the light. If you are using a light pod with a low amp draw, a relay switch may not be necessary. However, for larger LED light bars with a higher amp draw, using a relay is recommended.

6. Does each headlight have its own relay?

In most cases, each headlight (low and high beams) has its own relay. These relays act as electrical switches for the headlights. However, the relay for the low beams is more likely to go bad since they are used more frequently.

7. Can a car run without relays?

A car may not run without relays, especially if the relay controls the starter motor or the ignition system. The starter motor requires considerable current, and without a relay, the ignition switch may burn out. If the starting relay fails, the vehicle may not start.

Editor's Notes

During our car lighting relay research, we found 24 car lighting relay products and shortlisted 10 quality products. We collected and analyzed 5,954 customer reviews through our big data system to write the car lighting relays list. We found that most customers choose car lighting relays with an average price of $20.85.

The car lighting relays are available for purchase. We have researched hundreds of brands and picked the top brands of car lighting relays, including Sawyer Auto, Peterson Manufacturing, Neerttily, AUTOPARTS FACTORY, VIRAZE. The seller of top 1 product has received honest feedback from 824 consumers with an average rating of 4.5.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.