Complete LED Trailer Light Kit - Submersible Square Tail & Marker

Our review of this Complete LED Trailer Light Kit finds it best for trailer owners who need a full, plug-and-play lighting update and value bright, energy-efficient LEDs. The single biggest reason to buy is the all-in-one nature of the kit: it includes square combination tail lights, multiple side marker lights, an 11-LED third brake identification light bar, a wiring harness, license plate bracket, and mounting hardware so most of the installation is covered in one purchase. It is a practical choice for trailers, trucks, and boats that run on a 12V system.

Key Features

• High visibility: Advanced LEDs produce brighter illumination with reduced glare for safer signaling in poor weather or at night.
• Energy efficient: The LED design uses less power and has improved heat distribution, which helps longevity compared with halogen bulbs.
• Complete kit: Includes two square tail lights, six side fender markers, an 11-LED ID bar, wiring harness, license plate bracket, and mounting hardware for immediate installation.
• Multiple functions: Combination lights handle running, stop, turn, reverse, brake, marker, clearance, and license plate illumination for flexible use.
• Waterproof construction: Welding technology and a sealed design limit water, dust, and snow intrusion for outdoor durability.
• Universal fit: Designed for most 12V trailers, campers, trucks, and utility vehicles up to about 80 in wide, simplifying compatibility.

Who It's For

This kit is aimed at DIY trailer owners, boat trailers, and small fleet operators who want a single purchase to replace or upgrade all rear and side lighting. The included wiring harness and hardware mean someone comfortable with basic electrical connections can install it in a weekend.

It is less suited to buyers who need specialized marine-grade components for continuous saltwater exposure without additional protection, as there are mixed customer reports about long-term waterproof performance and occasional LED failures under harsh conditions.

Pros & Cons

Pros

• Bright, energy-efficient LEDs that improve visibility and reduce power draw.
• Comprehensive package that saves time sourcing separate lights and hardware.
• Easy installation for users familiar with trailer wiring thanks to the included harness and bracket.
• Durable sealed design intended to resist water, dust, and snow.

Cons

• Some customers reported occasional LED failures and mixed waterproof results, so extreme saltwater environments may require extra protection.

Specifications

Brand	LiLoom
Included lights	2 square combination tail lights, 6 side marker lights, 1 11-LED ID light bar
Includes	Wiring harness, license plate bracket, mounting hardware
Functions	Running, brake, turn, reverse, marker, license plate illuminate, clearance, ID bar
Power	12V compatible vehicles
Fit width	Designed for vehicles up to 80 in wide

Our Verdict

This Complete LED Trailer Light Kit is a strong value for trailer and truck owners who want a single, relatively simple upgrade to brighter, more efficient lighting. The kit covers most needs with multiple functions and hardware included, making it ideal for general towing and utility use; however, buyers in corrosive saltwater settings should plan added protection or inspection, as a few users reported durability concerns.

Frequently Asked Questions

Does this kit include a wiring harness?
Yes, the package includes a wiring harness and mounting hardware to simplify installation.

Are these lights waterproof for boat trailers?
They are built with welded seals to resist water, dust, and snow, but some customers report mixed results in harsh saltwater exposure, so extra protection is recommended for continuous marine use.

Will these work on my 12V truck?
Yes, the kit is designed for vehicles with a 12V system and fits most trailers, trucks, campers, and utility vehicles up to about 80 in wide.