Jamarco 4-Inch Round LED Trailer Tail Lights Kit | 24 LEDs + 13.8in 3rd Brake Bar | 25ft Wiring Harness

All-in-One Trailer Lighting Kit for Safer Towing

Upgrade your trailer lighting with the Jamarco 4 inch round LED tail light kit. Designed for 12V systems, this comprehensive package blends bright, multi‑function round lights with a long wiring harness and a dedicated 3rd brake light bar. The result is a compact, weatherproof solution that enhances visibility and signaling on the road, at the job site, or by the water. Each component is engineered for durability and straightforward installation, helping you achieve clearer communication with following drivers without sacrificing a clean, low-profile appearance.

The main appeal lies in its complete lighting set: round LED tail lights deliver stop, turn, and tail functions with a robust lens, while the set of mini marker lights adds side visibility for trailers and equipment. The 13.8 inch third brake light bar provides a distinct high‑brightness signal for abrupt stopping, improving signaling clarity in busy traffic or crowded cruising conditions. The included 25 ft wiring harness with a four‑pin flat plug keeps wiring tidy and accessible, and the reflective stickers offer an extra layer of rear visibility when placed on the trailer’s exterior.

Key benefits you might experience include improved signaling precision in dim or challenging weather, a cohesive lighting system designed to fit a broad range of trailers and vehicles, and a durable, waterproof build that resists exposure to sand, dust, rain, and snow. The wiring scheme is simple to interpret: white serves as ground, red provides high brightness for stop and turn signals, and black provides lower brightness for tail running. While results can vary by installation and vehicle, this kit is intended to support clearer, more noticeable signaling across your fleet or setup.

What’s Included

• 2 x 4 inch round LED tail lights with stop, turn and tail functions
• 6 x mini side marker lights for clearance and visibility
• 1 x 13.8 inch trailer third brake light bar
• 25 ft wiring harness with 4 pin flat plug
• 4 reflective stickers for added rear visibility

Key Features and Installation Tips

• Waterproof IP67 rated design withstands exposure to sand, dust, rain, and snow
• Round housing with grommet mounting for a tidy, integrated look
• Clear color coding: white ground, red high brightness for stop/turn, black tail running
• Universal 12V DC compatibility suited to trailers, campers, trucks, boats and more
• Reflective stickers enhance rear visibility when applied to the exterior

Real-world use cases include upgrading travel trailers, campers, work trucks, dump trailers, boats, and other 12V towing setups. The kit’s compact footprint helps maintain a clean exterior while improving signaling across various weather and lighting conditions. While not a guarantee of performance, many users report enhanced signaling visibility and a more cohesive lighting appearance after installation.