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  • 4 Pin Trailer Wiring Harness Kit, 25FT (21FT Male & 4-Flat Female Trailer Wiring Harness) 5 Wire Flat Connector Plug,Wiring Light Kit
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4 Pin Trailer Wiring Harness Kit, 25FT (21FT Male & 4-Flat Female Trailer Wiring Harness) 5 Wire Flat Connector Plug,Wiring Light Kit

5.0 out of 5 stars 1 rating
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Purchase options and add-ons

  • Wire Length Details:Our 4-way trailer wiring harness includes 21ft male & 4ft female extension connector.This 25ft trailer harness kit is made of 18-gauge wire, designed to split at the trailer tongue and run down each side of the trailer.
  • Corrosion Resistant & High Performance:The use of high quality pure copper wire and tin plated layer to achieve the best electrical conductivity and oxidation resistance.The outer layer use of high quality PVC material for the best anti-corrosion and anti-aging ability ensuring reliable and durable performance in all weather conditions.
  • Connect quickly: Male plug with 5 wires, female plug with 4 wires. You can install the trailer wire so quickly and easily through the 4-way connectors and matching installation accessories. It matches with any other standard 4 pin flat plugs.
  • Wire Connect Tips: Wires are color-coded and bonded, Green- Right Turn Lights/Brakes, Yellow- Left Turn Lights/Brakes, Brown- Tail Lights/Running Lights, White-Ground Wire.
  • Wide Application: The trailer wiring harness is suitable for under 80" wide trailers, such as marine boat trailer, horse trailer and other cargo utility trailer.
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Product details

  • Parcel Dimensions ‏ : ‎ 23.9 x 9.7 x 5.3 cm; 300 g
  • Date First Available ‏ : ‎ Sept. 24 2025
  • Manufacturer ‏ : ‎ Eydramn
  • Place of Business ‏ : ‎ Eydramn
  • ASIN ‏ : ‎ B0FSF3X7T8
  • Manufacturer reference ‏ : ‎ 4/5TWH-FM
  • Country of origin ‏ : ‎ China
  • 鶹 Rank: #34,673 in Automotive (See Top 100 in Automotive)
  • Customer Reviews:
    5.0 out of 5 stars 1 rating

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Product description

Auto 21FT Male & 4-Flat Female Trailer Wiring Harness

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Product Summary: 4 Pin Trailer Wiring Harness Kit, 25FT (21FT Male & 4-Flat Female Trailer Wiring Harness) 5 Wire Flat Connector Plug,Wiring Light Kit

From Eydramn

5.0 out of 5 stars, 1 ratings

Customer reviews

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About this Item

  • Wire Length Details:Our 4-way trailer wiring harness includes 21ft male & 4ft female extension connector.This 25ft trailer harness kit is made of 18-gauge wire, designed to split at the trailer tongue and run down each side of the trailer.
  • Corrosion Resistant & High Performance:The use of high quality pure copper wire and tin plated layer to achieve the best electrical conductivity and oxidation resistance.The outer layer use of high quality PVC material for the best anti-corrosion and anti-aging ability ensuring reliable and durable performance in all weather conditions.
  • Connect quickly: Male plug with 5 wires, female plug with 4 wires. You can install the trailer wire so quickly and easily through the 4-way connectors and matching installation accessories. It matches with any other standard 4 pin flat plugs.
  • Wire Connect Tips: Wires are color-coded and bonded, Green- Right Turn Lights/Brakes, Yellow- Left Turn Lights/Brakes, Brown- Tail Lights/Running Lights, White-Ground Wire.
  • Wide Application: The trailer wiring harness is suitable for under 80" wide trailers, such as marine boat trailer, horse trailer and other cargo utility trailer.

Product description

Auto 21FT Male & 4-Flat Female Trailer Wiring Harness
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