Trailer Wiring Harness Kit, 21ft & 4ft 4 Pin Trailer Light Wiring Flat Extension Connector, 18AWG Color-Coded Wire Harness Quick-Connect 4 Way Plug for Utility Boat Trailers

Specification:Material: PVC, MetalQuantity: 1 SetPlug Color: BlackWire Color: Green, Yellow, White, BrownWeight: 0.74 lbMale Plug Size: 1.5 × 1.3 × 0.4 inchesFemale Plug Size: 1.3 × 1.5 × 0.3 inchesMale Plug Wiring Harness Wire Length: 21 feetFemale Plug Wiring Harness Wire Length: 4 feetPackage Includes: 1 Male Plug Wiring Harness, 1 Female Plug Wiring HarnessFeature: Flexible, Durable, PracticalFit Type: Universal FitWhy do you need this trailer wiring harness kit?-It is easy to use this trailer wiring harness, and no new cables need to be spliced.-The 18 AWG color-coded wires reduce electrical resistance for faster response and greater system stability.-The wiring harness runs along both sides of the trailer, eliminating complex wiring and significantly reducing installation time.

• Practical Function: The trailer wiring harness kit is specifically designed to branch off at the trailer tongue and run along both sides of the trailer. Besides, the trailer-side ground wire is long enough for most setups—just extend your truck wires to the trailer wires
• Unique Design: The 4-pin flat trailer wiring connector features color-coded 18 AWG wires with soldered connections for quick, accurate installation. The white wire is for ground (negative), the brown wire is for tail lights, the yellow wire is for driver-side stop/turn lights, and the green wire is for passenger-side stop/turn lights
• Quality Materials: The 4-way trailer wiring harness features a high-quality PVC outer layer for durable insulation and flexibility, resisting cracks and damage. Additionally, its high-conductivity metal portions ensure efficient current flow for reliable, safe operation
• Detailed Dimensions: The male plug wiring harness features a 21-foot wire length, while that of the female plug wiring harness is 4 feet. It is suitable for trailers under or over 80 inches wide. The male plug measures 1.5 × 1.3 × 0.4 inches, and the size of the female plug is 1.3 × 1.5 × 0.3 inches
• Wide Application: The 4-way flat extension connector plug meets SAE J1128 standards for low-voltage primary cables. It is applicable to marine boat trailers, ATV trailers, horse trailers, and other cargo utility trailer hitches (tow/haul vehicles must have 4-way plugs), while not compatible with motorcycle trailer wiring