Electrical plugs etc. – Connectors, Plugs & Sockets for Trailers
Electrical plugs etc. are essential for safe and reliable trailer connections. Whether you need electrical connectors, wiring plugs, trailer plug fittings, or power sockets, this category covers all your connector assembly needs.
- ✔ Wide selection of wiring plugs and trailer plug fittings for various applications
- ✔ Durable power sockets and connector assemblies ensure long-lasting performance
- ✔ Easy installation and compatibility with standard trailer systems
- ✔ Suitable for both professional and DIY electrical setups
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Frequently Asked Questions
7-pin plug (Type N, ISO 1724) — the older standard:
| Pin | Terminal | Colour according to DIN | Function |
|---|---|---|---|
| 1 | L | yellow | Left direction indicator |
| 2 | 54G | blue | Rear fog light |
| 3 | 31 | white | Ground |
| 4 | R | green | Right-hand direction indicator |
| 5 | 58R | brown | Right-hand rear light |
| 6 | 54 | red | Brake light |
| 7 | 58L | black | Left rear light and number plate light |
13-pin plug (ISO 11446) — current standard, with additional functions and separate earth connections:
| Pin | Colour according to DIN | Function |
|---|---|---|
| 1 | yellow | Left direction indicator |
| 2 | blue | Rear fog light |
| 2a | — | Switch for rear fog light on the vehicle |
| 3 | white | Earth (circuits 1–8) |
| 4 | green | Right-hand direction indicator |
| 5 | brown | Right-hand tail light, side marker light and number plate light |
| 6 | red | Brake light |
| 7 | black | Left tail light, side marker light and number plate light |
| 8 | orange | Reversing light |
| 9 | red, 2.5 mm² | Direct power supply (terminal 30) |
| 10 | black-red | Battery charging lead |
| 11 | green-brown | Earth for charging cable |
| 12 | — | not assigned |
| 13 | white, 2.5 mm² | Earth for circuit 9 |
The numbering stamped on the plug and socket is binding — for cable sets with different numbering, this applies rather than the wire colours.
Adapter: Converting from a 13-pin connector on the vehicle to a 7-pin connector on the trailer is straightforward. Conversely, only the basic functions will work — the reversing light, constant power supply and charging circuit are missing, as there are no corresponding wires in the 7-pin system. Disconnect the adapter when not in use, otherwise the contacts will corrode.
If the lighting fails, it is usually not the bulb that is faulty, but the connection to it. Check in the following order:
- Contacts in the plug and socket — corrosion is the most common cause. Clean, dry and apply contact cleaner.
- Earth — is the connection to the frame secure and rust-free? If several functions fail at the same time, the earth connection is almost always to blame.
- Cables on the drawbar — this is where cables most often chafe through, often directly behind the plug.
- Bulbs and lights — only once everything else has been checked.
Conversion to LED: Lights must have a valid approval mark. After conversion, the trailer monitoring system in the towing vehicle may no longer be able to detect the trailer because the current flow is too low — in which case a suitable control unit will help.
Spare parts: electrical components, plugs and cables, as well as lighting.
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Product Overview
Electrical plugs etc. include a comprehensive range of solutions for connecting and powering trailers, vehicles, and related equipment. This category features electrical connectors, wiring plugs, trailer plug fittings, power sockets, and connector assemblies designed for dependable electrical performance. Whether upgrading existing systems or installing new connections, you’ll find high-quality options suited for diverse requirements.
Key Features & Benefits
All products in this category are selected for their durability, ease of use, and secure fit. The wiring plugs and trailer plug fittings are engineered to withstand demanding conditions, ensuring consistent connectivity. Power sockets and connector assemblies are crafted for optimal safety and reliability, minimizing the risk of electrical faults. The range supports both simple and complex installations, providing flexibility for various trailer and vehicle types.
Selection Guide
When choosing electrical connectors or wiring plugs, consider the compatibility with your trailer or vehicle’s electrical system. Assess the number of poles, connector type, and intended usage—whether for lighting, charging, or specialized functions. For more comprehensive setups, connector assemblies and power sockets offer versatile solutions that integrate seamlessly with existing wiring. If you require custom lengths or specific configurations, explore cable sets and extension options for tailored installations.
Applications
Electrical plugs etc. are ideal for a wide array of uses, including trailer wiring, vehicle power distribution, and auxiliary equipment connections. They are suitable for both commercial and private vehicles, ensuring safe and efficient power transfer for lighting, signaling, and charging systems. From simple wiring plugs to advanced connector assemblies, these products support reliable operation in every application.
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