4 Wire Trailer Wiring Harness - Trailer Light Kit - 25'

4-Way Trailer Wiring Harness - 50" Ground - 24-1/2' Long

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  • Standard 4-way flat connector
  • 24.5-foot wire harness with a 50-inch ground wire
  • License plate bracket and mounting hardware included
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$11.99 / kit
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The 4-wire trailer wiring harness kit has a standard 4-flat connector plug for 4-way trailer lights. The harness supplies power to stop, turn, and tail lights found on marine trailers, horse trailers, toy haulers, and cargo trailers. Use the kit for trailer light installation or extending an existing harness. Compatible with Square 17-LED 4.5" truck, trailer, license plate STT lights and Rectangular 18-LED 8" truck, trailer, license plate STT lights. The wiring harness is 24.5' (294") in length with a 50" ground wire.

What's Inside:

  • (1) 24.5' wiring harness with 50" ground
  • (1) License plate bracket
  • (3) Quick wire splice connectors
  • (6) Frame clips
  • (4) Twist-on wire connectors
  • (4) Hex flange nuts
  • (2) Ring terminal connectors
  • (2) Acorn flange nuts
3 Years
3 Years
Super Bright LEDs, Inc. offers a 3-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. In the case the exact product is no longer available, a gift card for the value of the original purchase price will be provided. Super Bright LEDs administers all warranty claims in-house. Read More


Brand Super Bright LEDs
Number of Conductors 4 Conductors
Wire Length 4.2 ft (1.3 m)
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