Quickly and easily diagnose faults in your towing electrics with this Universal 7 & 13 Pin Trailer Socket Tester. Designed for 12V electrical systems, this professional testing kit allows you to check both vehicle socket outputs and trailer lighting circuits without needing a trailer connected.

Supplied in a durable carry case with integrated trailer lights and testing panel, it's an essential diagnostic tool for workshops, tow bar installers, mechanics and anyone regularly towing trailers or caravans.

⭐ Key Features

✅ Universal 7-Pin & 13-Pin trailer socket tester

✅ Suitable for 12V electrical systems

✅ Tests vehicle trailer sockets

✅ Tests trailer lighting circuits

✅ Compatible with both 7-pin and 13-pin connectors

✅ Built-in trailer light simulation

✅ LED fault indication panel

✅ Durable protective carry case

✅ Ideal for workshops and professional installers

✅ Quick and easy fault diagnosis

✅ Compatibility

Suitable for:

✅ Cars

✅ Vans

✅ Pickup Trucks

✅ 4x4 Vehicles

✅ Commercial Vehicles

Compatible with:

✅ 7-Pin Trailer Sockets

✅ 13-Pin Trailer Sockets

⚠️ Designed for 12V vehicle electrical systems only.

Why Choose This Trailer Socket Tester?

Diagnosing trailer electrical faults can be time-consuming without the proper equipment. This professional tester allows you to quickly identify faults with:

✅ Indicators

✅ Brake lights

✅ Tail lights

✅ Reverse lights

✅ Fog lights

✅ Power supply

Simply connect the tester to your vehicle or trailer socket and check each lighting circuit using the integrated indicator panel and built-in trailer lights.

Perfect for:

✅ Tow bar installers

✅ Auto electricians

✅ Mechanics

✅ Trailer servicing

✅ Caravan owners

✅ Fleet maintenance

🧰 Construction & Design

The tester is supplied in a robust hard carry case with custom foam inserts, keeping all components secure during storage and transport.

The integrated lighting units accurately simulate a trailer, allowing quick testing without needing an actual trailer connected.

📦 What's Included

✅ Universal 7 & 13 Pin Trailer Socket Tester

✅ Integrated Trailer Light Units

✅ 7-Pin & 13-Pin Test Connectors

✅ LED Diagnostic Panel

✅ Protective Carry Case

🔧 Operation

✅ Plug directly into a 7-pin or 13-pin trailer socket

✅ Test vehicle socket outputs

✅ Test trailer wiring

✅ No specialist tools required

Ideal for fast diagnostics before towing or after tow bar installation.

🚚 Delivery & Availability – Ireland 🇮🇪

✅ In Stock

🚚 Nationwide delivery across Ireland

📍 Collection available in Co. Kerry