30Ft Trailer Wiring Harness Kit 4 Pin 5 Wire With 18AWG Pure Copper Wires Tin Ends To Prevent Corrosion For Tail Lights, Brake Lights, And Turn Signals, Durable PVC Coated Cable With Braided Nylon Sheath

30ft 4-Pin Trailer Wiring Kit, 5-Wire, 18AWG Copper
✔️ 30ft main length, single kit, 18AWG copper wires, color-coded

This 30ft trailer wiring harness kit is a 4-pin, 5-wire setup designed to connect tail lights, brake lights, and turn signals on trailers that use a 4-way plug. Built with 18 AWG copper conductors, weather-resistant PVC coating, and a braided nylon sleeve, it’s ready for outdoor use on marine, utility, and ATV trailers.

✅ 4 pin, 5 wire trailer wiring harness with 18 AWG pure copper wires
✅ Thick PVC coating with a black braided nylon sleeve for weather resistance
✅ 30 ft main length + 2.5 ft ground wire for flexible installation
✅ Includes 1 Y-Harness Connector, 6 trailer frame wire clips, solder seal connectors, and 6 plastic wire connectors
✅ Color-coded wires simplify left/right taillights, brake lights, and turn signals
✅ Trailer/tow setups must have a 4-way plug; not for motorcycle trailer wiring

💡 What is a trailer wiring harness used for in typical setups? It connects trailer lighting to the towing vehicle for signals and safety. - tail light and stop light wiring for trailers - 4-way plug compatibility across trailers - weather-resistant copper wiring for outdoor use - suitable for marine, ATV, and cargo trailers

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