Description
Overview:
The Plug & Socket Tester 12V 7-Pin is a handheld diagnostic tool for checking the safety and function of towing electrics on trailers and caravans. Built with a tough plastic body and metal contact pins, it connects directly to the standard 12V 7‐pin plug on the trailer and the 7‐pin socket on the tow vehicle. It verifies the key lighting circuits and earth continuity so you can spot wiring faults before you travel. Clear feedback is provided via an LCD display and six LEDs for quick fault finding. Designed for single‐handed use and powered by a 9V battery (MN1604), it is compact and easy to store in the glove box or toolbox. Manufacturer Part Number: 998 001.
Key Features:
- Tests standard 12V 7‐pin towing connections on trailers and caravans from either the vehicle socket or trailer plug side
- LCD display with six LEDs for instant, readable status of circuits and faults
- Checks indicators, tail/side lights, brake light, rear fog, and earth continuity for safer towing
- Single‐handed operation with simple, intuitive controls to speed up checks
- Runs on a 9V MN1604 battery for true portability and use away from mains power
- Robust plastic housing with durable contact pins for repeated workshop or roadside use
- Compact, lightweight form for easy storage in a glove box or service kit
- Helps isolate wiring, bulb, fuse, or earth issues quickly to reduce downtime
- Suitable for professional workshops, mobile mechanics, fleet users, and DIY owners
- Clear labelling on the unit to guide correct connection and interpretation
Typical Applications:
Routine pre‐journey checks of trailer and caravan lighting. Fast fault finding after wiring repairs or towbar installations. Periodic maintenance in workshops and for hire or fleet trailers. Roadside diagnostics to identify issues with indicators, tail/side lights, brake light, rear fog, and earth continuity on 12V 7‐pin systems.
Also known as:
Towbar socket tester, 7‐pin 12V wiring tester, trailer light tester, towing electrics tester, vehicle socket diagnostic tool, 7‐pin plug and socket checker, caravan lighting circuit tester.
Product Specifications
| L&S Part No. | 998 001 |
|---|---|
| Unit of Sale | 1 |
| Machine Type | Trailers |
