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Home > Electrical & Wiring Systems > Heavy Duty 4-Way Flat Trailer Wiring Harness 25ft Extension | Truck RV Trailer Light Connector Plug

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Heavy Duty 4-Way Flat Trailer Wiring Harness 25ft Extension | Truck RV Trailer Light Connector Plug

Name: Heavy Duty 4-Way Flat Trailer Wiring Harness 25ft Extension | Truck RV Trailer Light Connector Plug
Brand: LIWOF
SKU: 87835
Price: 4 USD
Availability: InStock

No.87835

The Heavy Duty 4-Way Flat Trailer Wiring Harness provides a dependable electrical connection for trailer lighting systems. Featuring a 25-foot extension cable and durable 4-pin flat connector, this wiring harness allows trucks, SUVs, and RVs to safely power trailer brake lights, turn signals, and tail lights.

Built with weather-resistant insulation and corrosion-resistant connectors, the harness ensures stable electrical performance in outdoor towing conditions such as rain, dust, and road vibration.

Ideal for utility trailers, boat trailers, cargo trailers, and RV towing setups, this wiring harness simplifies installation and improves towing safety.

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Description

Technical Specifications

Voltage: 12V
Connector Type: 4-Way Flat Plug
Cable Length: 25 ft (7.6 m)
Functions Supported: Tail / Brake / Turn Signal Lights
Material: Copper wire + PVC insulated jacket
Application: Trailer lighting wiring system

Key Features

Heavy Duty 4-Pin Flat Connector

Standard 4-way flat plug compatible with most trailers and towing vehicles.

25ft Long Extension Cable

Extra-long cable allows flexible wiring installation for long trailers and large towing setups.

Weather-Resistant Insulation

Durable PVC coating protects wiring from water, road debris, and UV exposure.

Reliable Trailer Lighting Connection

Provides stable electrical power for tail lights, brake lights, and turn signals.

Easy Installation

Plug-and-play connection simplifies installation without complex rewiring.

FAQ

Q:What does a 4-way flat trailer wiring harness control?

A:A 4-way flat wiring harness powers tail lights, brake lights, and turn signals on trailers.

Q:Is a 25ft trailer wiring harness long enough for large trailers?

A:Yes. A 25-foot extension cable is suitable for most boat trailers, utility trailers, and cargo trailers.

Q:Can this wiring harness be used on RV trailers?

A:Yes. It is compatible with RV trailers, trucks, SUVs, and towing vehicles using a 4-pin flat connector.

Q:Is the wiring harness waterproof?

A:The harness uses weather-resistant insulation designed to withstand rain, road spray, and outdoor conditions.

Q:Is installation complicated?

A:No. The plug-and-play design allows quick installation without special tools.

PACKAGE

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Heavy Duty 4-Way Flat Trailer Wiring Harness 25ft Extension | Truck RV Trailer Light Connector Plug

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