4-way Trailer Extension Cable Assembly with Dust cover

PRODUCT PARAMETERS

This cable fits all standard 4-pin flat trailer connectors, widely used for utility trailers, boat trailers, ATV trailers, and RVs. Perfect for extending the connection between your tow vehicle and trailer lights.

Item	Details
Connector Type	4-Pin Flat (Male to Female)
Wire Gauge	18AWG (Standard) / 16AWG (Heavy Duty)
Material	Pure Copper Wire + PVC/Rubber Insulation
Length	Customizable (Common: 12 inch / 18 inch / 36 inch)
Operating Voltage	12V DC (Trailer Standard)
Features	Weatherproof Dust Cover, Color-Coded Wires, Abrasion-Resistant Jacket
Compatibility	Fits All Standard 4-Way Flat Trailer Connectors

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Description

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Description

✅ Heavy-Duty Pure Copper Construction

Made with 18AWG (or 16AWG) oxygen-free copper wires for maximum conductivity and stable signal transmission. Insulated with durable rubber jacket, anti-corrosion and weather-resistant for long-lasting use.

✅ Secure & Weatherproof Connection

Comes with a rubber dust cover to protect the female connector from dirt, moisture, and road debris, preventing short circuits even in rainy or snowy conditions.

✅ Plug-and-Play Installation

Color-coded wires match standard trailer wiring schematics, no cutting or splicing required. The flexible braided sleeve protects the cable from abrasion and keeps it tangle-free during towing.

✅ Reliable Performance for Daily Towing

Supports all essential trailer light functions: tail lights, brake lights, left/right turn signals, and ground connection. Built to withstand vibration, temperature changes, and rough road conditions.

FAQs

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Can it be customized as per our requirements?

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Send Drawing / Requirements

Engineering Assistance—Since most of the cost decisions are made during the design phase, we can help you make component choices to limit future cost issues.

Rapid Prototyping (3-7Days)—Our teams will respond quickly and closely with you, your team, and your project to help you optimize the form, fit, and function of your harness or cable assembly. They will also make you aware of opportunities to reduce costs, while still achieving comparable or greater quality.

Sample Approval

Mass production

Quality Inspection & Delivery

Whether in terms of application, function, construction type, material selection or connection method, customized wiring harnesses can provide targeted solutions to meet special working environments and performance requirements.