12V Trailer Wiring Tester with 7 13 Pin Adapter for Car, Truck, Caravan

Main description

Discover a practical, compact solution for tow-ready electronics: the 12V Trailer Wiring Tester with a 7/13 Pin Adapter. Designed for cars, trucks, caravans, trailers, RVs, vans, and off‑road vehicles, this handheld tester makes it simple to verify wiring integrity before you hit the road. Plug into the 7/13 pin socket or plug of the trailer or caravan, press the yellow side button, and the device will indicate wiring faults on both towing vehicles and trailers. This quick check helps prevent blown fuses, misconnected lights, and unexpected electrical issues that can disrupt your journey.

Built to endure real-world use, the tester features durable construction with resistance to high and low temperatures as well as acids and alkalis. Its compact, portable form fits easily in a glove compartment or toolkit, so you can carry it on every trip and perform a reliability check whenever needed. It’s powered by a 9V battery (not included) to operate the internal indicators, while the system under test runs on 12V. This combination lets you diagnose problems across a wide range of towing setups with confidence.

Every InterCyprus electrical tool is designed with safety and practicality in mind. This model is CE certified and purpose-built to quickly reveal wiring issues, saving time and avoiding roadside surprises. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

At intercyprus.com since 2002 — trusted for quality and reliability.

Benefits & Tips

• Quickly verify trailer lighting before long trips—confirm brake, turn, and tail lights work in harmony with your towing vehicle.
• When installing or upgrading a 7/13 pin adapter, perform a rapid diagnostic to ensure wiring matches the new configuration.
• Keep the tester in your vehicle’s toolkit for on‑the‑spot diagnostics after electrical work or when using unfamiliar trailers.

Product specifications

• Voltage: 12V
• Powered by: 9V battery (not included)
• Material: Plastic and metal
• Dimensions: 5 cm (Height) x 22 cm (Length) x 6 cm (Width)
• Weight: 222 g
• Model Name: 25895
• Origin: Mainland China
• Special Features: Plug and play
• Use: For 7/13 pin trailer/caravan connections
• Certification: CE

Package includes:

• 1 x Plug Socket Diagnostic Tools

Warnings/Reminders

• Powered by a 9V battery (not included) — ensure you supply a compatible battery before use.
• Use only with 12V electrical systems for towing equipment and trailers.
• Keep away from moisture and store in a dry, safe place when not in use.

Language support: Not specified in product data.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Reliable, proven performance you can trust—since 2002 at intercyprus.com.