Draper 13 and 7 Pin Towbar Socket Tester

About this tool

The Draper 13 and 7 Pin Towbar Socket Tester is a diagnostic tool designed for testing trailer lighting connections on commercial vehicles and light goods vehicles. Suitable for use with halogen bulb systems on both 12V and 24V electrical systems, this tester enables vehicle technicians, fleet operators and mobile mechanics to verify towbar socket functionality quickly and accurately. Equipped with both 13-pin and 7-pin connectivity using the supplied adaptor, this tester provides comprehensive coverage for modern and older trailer wiring configurations. The 5-metre cable allows for convenient single-operator testing, eliminating the need for an assistant when checking vehicle-to-trailer connections. The integrated LED display provides clear visual confirmation of circuit operation, making fault diagnosis straightforward even in workshop environments. Ideal for pre-MOT checks, fleet maintenance schedules and roadside diagnostics, this socket tester includes a self-test facility to verify the unit's operation before use. The compact dimensions make it suitable for mobile tool kits whilst providing professional-grade diagnostic capability for towbar electrical systems. Features and Benefits: • Compatible with halogen bulbs on 12V and 24V systems • Tests both 13-pin and 7-pin sockets using the supplied adaptor • 5m cable and self-test facility enable easy one-person operation • Clear LED display for straightforward fault identification Specifications: Power:

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.