Cordsets Old System with 7 and 13 Pin Connector for Trailers
Cordsets old system with 7 and 13 pin connector provide reliable solutions for connecting your trailer's electrical systems. Whether you need wiring harnesses for 7 and 13 pin connectors or trailer cable sets with 7 and 13 pin plugs, this category offers robust options for safe and efficient power transfer. Electrical connector sets for trailers (7 and 13 pin) and trailer wiring kits with 7 and 13 pin sockets ensure compatibility with a wide range of towing vehicles and trailers.
- ✔ Easy installation for both new and replacement applications
- ✔ Durable construction for long-lasting performance
- ✔ Compatible with old style trailer wiring looms with 7 and 13 pin connections
- ✔ Secure and stable electrical connections for enhanced safety
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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
Cordsets old system with 7 and 13 pin connector are essential for maintaining or upgrading trailer electrical systems. This category includes a variety of wiring harnesses for 7 and 13 pin connectors, as well as trailer cable sets with 7 and 13 pin plugs designed for both car trailers and caravans. These solutions are ideal for those seeking electrical connector sets for trailers (7 and 13 pin), ensuring safe and compliant power distribution to all necessary lighting and signal components.
Key Features & Benefits
Each trailer wiring kit with 7 and 13 pin sockets is engineered for straightforward installation and long-term reliability. The old style trailer wiring looms with 7 and 13 pin connections are particularly suited for restoring or maintaining classic trailers. High-quality materials and precise manufacturing deliver dependable performance, even in demanding conditions. These cordsets support a range of lighting functions, including taillights, license plate lights, and marker lights, ensuring your trailer remains visible and road-legal.
Selection Guide
When choosing the right product, consider the length and type of cordset needed for your specific trailer or caravan. Options are available in various lengths to accommodate different vehicle setups. Ensure compatibility with your trailer’s existing sockets and plugs, and select between 7 or 13 pin configurations based on your electrical requirements. All products in this category are designed for easy integration with both modern and older trailer systems.
Applications
These cordsets are suitable for a wide range of uses, including car trailers, caravans, and other towed vehicles. They are perfect for both DIY enthusiasts and professional installers looking to upgrade or replace existing trailer wiring. Whether you are maintaining an older model or outfitting a new build, these wiring harnesses and electrical connector sets deliver the safety and reliability needed for secure towing operations.
Find the right option now and order online.
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