The Thunder 7 Pin Large Round Trailer Plug provides a secure and reliable electrical connection between your towing vehicle and trailer. Built from durable materials for long-lasting performance, it's ideal for replacing worn or damaged trailer plugs or wiring new trailers, caravans, camper trailers and boat trailers. Designed to suit standard Australian 7-pin large round trailer sockets, it delivers dependable operation in demanding towing conditions.

Heavy-Duty Construction

Designed to withstand Australian towing conditions.

Features include:

✔ Durable impact-resistant housing

✔ Heavy-duty electrical terminals

✔ Corrosion-resistant contacts

✔ Secure cable clamp

✔ Easy wiring access

✔ Long service life

Easy DIY Installation

The Thunder trailer plug is designed for straightforward installation or replacement.

Benefits include:

✔ Standard Australian wiring configuration

✔ Secure screw terminals

✔ Easy cable entry

✔ Replace damaged trailer plugs quickly

✔ Suitable for new trailer builds

Key Features

✔ 7 Pin large round trailer plug

✔ Heavy-duty construction

✔ Standard Australian configuration

✔ Secure screw terminal connections

✔ Durable housing

✔ Corrosion-resistant contacts

✔ Easy installation

✔ Reliable towing connection

✔ Ideal for trailers & caravans

✔ Australian stock

What vehicles is this trailer plug compatible with?

This plug is designed to suit standard Australian 7-pin large round trailer sockets commonly fitted to trailers, caravans and towing vehicles.

Is this the large round or small round plug?

This is the 7 Pin Large Round version. Always check your vehicle's socket before purchasing to ensure compatibility.

Can I replace my existing trailer plug with this one?

Yes. It's ideal for replacing worn, damaged or corroded trailer plugs or wiring a new trailer.

Is it suitable for caravans?

Yes. It's suitable for caravans, camper trailers, box trailers, boat trailers and many other trailer types using the Australian 7-pin large round standard.

Is it suitable for DIY installation?

Yes. If you're familiar with trailer wiring, the screw terminal design makes installation straightforward. If you're unsure of the wiring configuration, it's recommended to have the plug fitted by a qualified auto electrician.