Heavy-Duty 7-Pin Retractable Coiled Trailer Electrical Cable (3.0m – 4.0m Working Extension)

The Heavy-Duty 7-Pin Retractable Coiled Trailer Electrical Cable is an industrial-grade, pre-assembled flexible suzie lead engineered to provide a secure, snag-free electrical link between the towing vehicle and trailer chassis. Designed for heavy commercial transport, fleet haulage, touring caravans, horseboxes, and agricultural equipment, this self-recoiling spiral cable transfers vital electrical circuits—including tail lights, brake lights, indicators, reverse, and auxiliary signals—while eliminating the hazard of drooping cables dragging on road surfaces.

Fitted with heavy-duty molded 7-pin male plugs on both ends, the assembly incorporates a high-memory polyurethane / thermoset elastomer coiled jacket. The resilient spiral geometry extends smoothly from its compact resting state up to an operational reach of 3.0 to 4.0 meters, accommodating tight turning angles, chassis articulation, and dynamic drawbar movement before automatically snapping back into a neat, retracted coil.

Key Features & Benefits:

• Self-Retracting Memory Coil: High-elasticity spiral design expands effortlessly up to 3.0m–4.0m during sharp turns and maneuvers, then instantly recoils to prevent the cable from sagging, snagging, or dragging on the roadway.

• Dual Heavy-Duty 7-Pin Male Plugs: Pre-wired and assembled with rugged 7-pin connectors on both ends, allowing immediate plug-and-play connection between vehicle and trailer sockets.

• High-Conductivity Solid Brass Terminals: Precision brass contact pins ensure low contact resistance, minimal voltage drop, and continuous electrical signaling with zero flickers.

• Extreme Abrasion & Weather Resistance: Heavy-duty outer jacket resists grease, road salt, automotive oils, diesel spray, direct UV sunlight, and abrasion from road debris.

• Integrated Heavy-Duty Strain Relief: Reinforced flexible boots protect the connection junction where the cable meets each plug housing, preventing wire fatigue, terminal pull-out, and internal short circuits caused by continuous bending.

• Universal Low-Voltage Compatibility: Engineered for standard 12V automotive and trailer lighting installations, as well as multi-voltage fleet applications.

Ideal Applications:

• Commercial & Fleet Haulage: Heavy goods trailers, drawbar trailers, and interlink transport rigs requiring dynamic articulated connections.

• Touring Caravans & Off-Road Campers: Clean, organized A-frame electrical connection that stays clear of tow hitches, handbrakes, and jockey wheels.

• Agricultural Equipment & Implements: Quick-connect signaling lead between tractors and towed wagons, slurry tankers, and mobile farm machinery.

• Plant & Machinery Transporters: High-durability electrical bridging for heavy plant trailers, tilt-beds, and lowbed machinery carriers.

Product Specifications:

• Product Name: 7 Pin 3M Electric Coil

• Product Category: Lights & Electrical / Plugs & Adaptors (Coiled Cables)

• Pin Configuration: Standard 7-Pin Automotive Layout (Dual Male Plugs)

• Working Extension Length: 3.0 m to 4.0 m Operational Reach

• Cable Construction: Multi-Core Automotive Stranded Copper Wiring

• Sheath Material: High-Memory Abrasion-Resistant Spiral Thermoplastic / Polyurethane

• Terminal Material: Solid Machined Brass Pins

• Connector Housings: Impact-Resistant Heavy-Duty Molded Composite

• Operating Voltage: 12V DC Vehicle Electrical Systems

• Application Compatibility: Commercial Trailers, Caravans, Horseboxes, Agricultural Implements & Tow Vehicles

• Condition: Brand New Heavy-Duty Commercial Vehicle Electrical Hardware