Yuyao Mideal Electric Co., Ltd. is one of the leading manufacturers and suppliers of 15 pins trailer connector socket in China. With abundant experience, we are committed to providing high quality customized products with competitive price. Welcome to wholesale cheap 15 pins trailer connector socket made in China here from our factory.
15 pins trailer connector socket
Our 15 pin trailer socket provides a high-capacity electrical connection interface for commercial vehicles and trailer systems requiring multiple independent electrical circuits.
With fifteen electrical contact positions integrated into one connector, it offers greater circuit capacity than conventional 5-pin and 7-pin trailer sockets. This makes the 15 pin trailer connector socket particularly suitable for commercial trailers, semi-trailers, truck-trailer combinations and other vehicle systems with more complex lighting, signalling and auxiliary electrical requirements.
Key Features
- 15 pins trailer connector socket for multi-circuit electrical systems
- Suitable for commercial and heavy-duty trailer applications
- Supports trailer lighting and auxiliary electrical functions
- Secure connection with compatible 15-pin trailer plugs
- Durable housing for repeated connection and disconnection
- Panel-mount and other installation configurations available
- Optional sealed or weather-resistant construction
- OEM, ODM, and private-label customization available

Product Specifications
|
Item |
Details |
|
Product Type |
15 Pins Trailer Connector Socket |
|
Pin Quantity |
15 Pins |
|
Connector Type |
Trailer Connector Socket |
|
Application |
Commercial Trailer / Heavy-Duty Towing |
|
Terminal Material |
Copper Alloy / Customized |
|
Housing Material |
Nylon, PA, PVC, or customized |
|
Pin Assignment |
Customized |
|
Mounting |
Panel Mount / Customized |
|
Cable Connection |
Crimp / Solder / Customized |
|
Rated Voltage |
According to application requirements |
|
Rated Current |
According to configuration |
|
Sealing |
Optional |
|
Housing Colour |
Customized |
|
Application |
Commercial trailers, heavy-duty trailers, trucks, semi-trailers, and towing systems |
|
Packaging |
Standard or customized |
Multi-Circuit Interface for Commercial Trailer Systems
Modern commercial trailers can require numerous electrical connections between the tractor or towing vehicle and trailer.
A 15-pin socket provides a centralized interface through which multiple circuits can be connected using one compatible trailer plug.
Depending on the vehicle electrical system and connector standard, circuits may include:
- Left and right direction indicators
- Brake lights
- Tail and position lights
- Reverse lights
- Rear fog lights
- Ground/earth circuits
- Auxiliary electrical functions
- Other commercial trailer circuits
The actual pin assignment must follow the specified vehicle wiring diagram and applicable connector standard.
For a multi-pin connection, accurate pin identification and termination are particularly important because several independent electrical functions share the same connector.

Applications
The 15-pin trailer socket is suitable for multi-circuit towing applications, including:
- Commercial trailers
- Heavy-duty trailers
- Truck and trailer electrical systems
- Semi-trailers
- Cargo and logistics trailers
- Special-purpose trailers
- Fleet transportation equipment
- Trailer lighting and auxiliary systems
Integration with 15 Pin Trailer Plug and Cable
For complete commercial trailer wiring systems, the 15 pin trailer socket can be coordinated with a compatible 15 pin trailer plug and 15 core trailer cable.
During OEM development, several parameters should be considered together:
- Pin assignment
- Contact configuration
- Individual conductor sizes
- Cable outer diameter
- Wiring layout
- Plug/socket mating interface
- Mounting dimensions
- Environmental requirements
Developing these components as one connection system can simplify vehicle wiring integration and reduce connector or wiring mismatches during assembly.
Secure & Durable Construction
The 15 pins trailer connector socket is designed to provide stable electrical contact with the corresponding trailer plug during regular vehicle operation.
Housing materials, terminal specifications, mounting structures, and sealing options can be selected according to the intended application and operating environment. Weather-resistant or sealed configurations can be evaluated for outdoor and demanding applications.
Quality Control
Production follows approved product specifications, with quality checks covering pin configuration, terminal assembly, electrical continuity, connector dimensions, mounting structure, housing quality, connection stability, and visual appearance.
Relevant testing and certification documentation can be provided according to the final product configuration and applicable market requirements.
Looking for a customized 15 pins trailer connector socket?
Send us your wiring diagram, pin assignment, mounting requirements, terminal specification, and application details for product confirmation and quotation.
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