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2. Color Coded Wires - 18 AWG color coded wires to clearly identify each wire's function, supply power for turn signals, stop lights and left & right side taillights. 100% pure copper wire for high conductivity
3. Long Lasting -Thickened PVC coating ensure great corrosion-resistance. The whole wire well protected by a black nylon net tube, wear resistant and longer service life. Rubber dust cover protects the connector from water and dust
4. Wide Application - Compatible with trailers under and over 80" in width. Widely used in boat trailer, utility trailer and horse trailer. A good replacement for worn trailer wires
5. Easy to Install - This 4-pin trailer wiring plug comes ready to splice into your existing trailer wiring. 50 feet male 4 flat plug wire and 2.5 feet Ground wiring are long enough for a flexible installation
Used to supply power for tail lights, turn signals and stop lights, and grounding connection.
18 AWG copper wiring harness adopted sturdy PVC coating, high conductive and corrosion resistant, ensure long service life.
Our trailer wire harness 4 pin flat plug to match industry-standard 4-way flat sockets, universal fits for utility trailer, boat trailer etc.
18AWG Color Code Wire:
White wire - Ground
Brown wire - Taillight & side marker
Yellow wire - Left/ stop & turn
Green wire - Right/ stop & turn


