7 Pin Round Trailer Plug with Built-in LED Circuit Tester

Simplify your trailer wiring checks with this 7 Pin Round Trailer Plug featuring an integrated LED circuit tester. Designed for standard Australian trailer connections, this plug allows you to quickly verify that each electrical signal is functioning—right from the plug itself.

Perfect for caravans, boat trailers, horse floats, and work trailers, this plug helps eliminate guesswork and prevents frustrating wiring issues before you hit the road. The tough outer casing ensures long-lasting durability in harsh Aussie conditions, while the user-friendly LED display gives you confidence in your brake lights, indicators, tail lights, and more.

Whether you're a weekend camper or towing gear for work, this plug helps ensure your trailer is compliant, functional, and safe.

Key Features

• Built-in LED tester for instant circuit verification
• Suits standard 7 pin round trailer wiring (large round type)
• Helps diagnose brake, tail, indicator, and auxiliary signals
• Durable, weather-resistant housing for rugged use
• Simple plug-and-play design – no extra tools required
• Compatible with most trailers, caravans, and utes
• Essential tool for safe towing and trailer maintenance

Specifications