Yuyao Mideal Electric Co., Ltd. is one of the leading manufacturers and suppliers of 7 pins trailer connector plug in China. With abundant experience, we are committed to providing high quality customized products with competitive price. Welcome to wholesale cheap 7 pins trailer connector plug made in China here from our factory.
7 Pins Trailer Connector Plug
Our 7 pins trailer plug provides a multi-circuit electrical connection between towing vehicles and compatible trailers. With seven electrical contacts integrated into one connector, it supports trailer systems requiring more lighting, signalling or auxiliary circuits than a basic 5-pin configuration.
The 7 pins trailer connector offers a practical balance between circuit capacity, connector size and ease of installation, making it suitable for a broad range of trailer and towing applications.
Key Features
- 7 pins trailer connector plug for multi-circuit electrical connections
- Suitable for trailer lighting and auxiliary electrical functions
- Secure connection for towing vehicle and trailer systems
- Durable housing for repeated connection and disconnection
- Compact design for convenient trailer installation
- Available with different terminal and wiring configurations
- Optional sealed or weather-resistant construction
- OEM, ODM, and private-label customization available
Product Specifications
|
Item |
Details |
|
Product Type |
7 Pins Trailer Connector Plug |
|
Pin Quantity |
7 Pins |
|
Connector Type |
Trailer Connector Plug |
|
Application |
Trailer / Towing |
|
Terminal Material |
Copper Alloy / Customized |
|
Housing Material |
PVC, Nylon, PA, or customized |
|
Pin Assignment |
Customized |
|
Cable Connection |
Crimp / Solder / Customized |
|
Rated Voltage |
According to application requirements |
|
Rated Current |
According to configuration |
|
Sealing |
Optional |
|
Colour |
Customized |
|
Application |
Trailers, caravans, RVs, utility trailers, boat trailers, and towing vehicles |
|
Packaging |
Standard or customized |
Seven-Pin Connection for Multiple Trailer Functions
Compared with a 5-pin connector, a 7-pin configuration provides additional electrical contacts that can be assigned to a wider range of trailer functions.
Depending on the connector system and wiring arrangement, circuits may be used for functions such as:
- Left and right turn indicators
- Brake lights
- Tail or position lights
- Ground/earth
- Reverse function
- Auxiliary electrical circuit
- Other trailer-specific functions
The actual pin assignment is determined by the applicable connector configuration and wiring system. Buyers should therefore specify the required wiring diagram rather than relying on pin count alone.
Plug, Socket and Cable Must Work as a System
For professional trailer wiring, the plug should not be selected independently from the cable and socket.
The 7 pin trailer plug, mating trailer socket and 7-core cable need to be compatible in terms of connector design, pin arrangement, cable diameter, conductor size and electrical functions.
Cable entry and strain relief are particularly important because trailer connectors can be exposed to repeated movement during towing and connection/disconnection.
For OEM projects, coordinating these components at the design stage can simplify harness assembly and reduce the risk of wiring mismatch.
Looking for a customized 7-pin trailer plug?
Send us your wiring diagram, pin assignment, terminal requirements, housing specifications, and application details for product confirmation and quotation.
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