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7 pin sockets for tractors, agricultural and construction machines. Available from brands like HELLA, Kramp, Cobo and more.
A 7 pin socket is often used to control trailer lighting and electrical functions from a machine. You’ll find them on tractors, agricultural machines, forklifts, loaders, cranes, and other construction vehicles.
At Techniek Totaal, we offer a range of 7-pin sockets from reliable brands like HELLA, Kramp, Granit Parts, Febi Bilstein, Cobo, and Aspöck.
These sockets provide a safe electrical connection for tail lights, brake lights, indicators, and work lights between your machine and trailer.
Pay attention to the housing material (such as plastic or metal), the mounting type (like screw mounting), and the voltage (typically 12V or 24V) that matches your machine.
Also check if the pin configuration follows ISO standards – this ensures the lighting works correctly when you plug in a trailer.
Connecting a 7 pin socket is straightforward if you have your machine’s wiring diagram. Each pin has a set function, for example:
Pin 1 = left indicator
Pin 4 = ground
Pin 6 = brake light
Use proper wiring and make sure there’s a good strain relief to avoid cable damage. In dusty or wet environments, choose a sealed/waterproof version for extra durability.
Our sockets are compatible with a wide range of vehicles, including Fendt, Deutz, IHC, John Deere, JCB, Ford, Renault, and many more. They work on both older and newer machines.
A properly installed 7-pin socket:
Provides a stable and safe electrical connection.
Prevents lighting malfunctions on trailers and implements.
Is easy to replace or install.
Lasts long, especially with robust brands like HELLA and Cobo.
Are 7-pin sockets universal?
Most are, as long as they follow ISO standards. But there are differences in materials and quality, so choose what fits your use.
Can I install the socket myself?
Yes, with basic electrical knowledge. Use your machine’s wiring diagram and always check the correct voltage (12V or 24V).
What’s the difference between plastic and metal sockets?
Plastic is lighter and cheaper. Metal is more durable and ideal for heavy-duty conditions.
What if my lights don’t work after connecting?
Check the pin layout, ground connection, and trailer plug contact. Corrosion or wiring damage can also cause issues.