2837SIG Dunbier Power Cable between Vehicle and Trailer -12 Pin | Marine Trailer Part

🔧 Product Description

Dunbier 12-Pin Vehicle-to-Trailer Power and Control Cable - Part Number: 2837SIG

A reference-specific 12-pin interconnection cable used between the towing vehicle and compatible Dunbier trailer electrical or braking systems. It provides the heavier power, earth and control pathways required by systems that need more than the seven standard lighting circuits.

⚙️ Key Features

• Twelve-pin vehicle-to-trailer connection

• Supports lighting and compatible auxiliary/brake circuits

• Reference-specific Dunbier loom assembly

• Provides a replaceable cable between vehicle and trailer

• Suitable for compatible electric-over-hydraulic or powered trailer equipment

📏 Specifications

• Connector format: 12-pin

• Application: Compatible Dunbier powered trailer systems

• Cable length and pin allocation are specific to the supplied loom

🔄 Cross Reference & Related Parts

• Dunbier: 2837SIG

• 12-pin vehicle socket: Dunbier 2836 / Mackay E4049

• 12-pin trailer plug: Dunbier 2837 / Mackay E4043

• Related powered brake systems include Hydrastar and AL-KO iQ7 installations when wired to their approved loom

🚤 Trailer Compatibility & Application

• Suitable only where the vehicle and trailer use the same 12-pin circuit allocation

• Power and earth cable sizes must support the connected actuator or auxiliary load

• Not a universal extension for all 12-pin installations

🔌 Function

Transfers electrical power and control signals from the towing vehicle to the trailer's lighting and powered equipment.

Common signs of wear or failure:

• Brake actuator reports low voltage

• Plug or cable becomes hot

• Intermittent power occurs over bumps

• Cable insulation is cut or crushed

• Connector pins are corroded

🛠️ Installation & Safety

• Confirm the complete pin allocation before connection

• Use correctly fused vehicle power circuits

• Provide a low-resistance earth return

• Protect the cable from dragging and drawbar articulation

• Voltage-drop test powered equipment after installation

📦 Condition

• Genuine Dunbier Marine Products part

• Brand new

• Supplied as one 12-pin vehicle-to-trailer power/control cable

• Supplied in original or equivalent packaging