PORTABLE TRAILER LIGHT TESTER - Thexton Toolworx LLC

The Thexton Toolworx 838 Portable Trailer Light Tester is a robust, professional-grade diagnostic tool engineered for efficient verification of trailer lighting circuits. This compact and durable unit is an indispensable asset for technicians, fleet service teams, and mobile repair operations, streamlining pre-trip inspections and repair validation for various light- and medium-duty trailer types. It ensures equipment compliance and maximizes operational uptime without relying on a tow vehicle.

Key Features

• Comprehensive Circuit Diagnostics: Quickly tests brake, turn, tail/running, and auxiliary lighting circuits to confirm proper function and efficiently pinpoint wiring faults or bulb issues before trailers leave the yard.
• Universal Plug-In Compatibility: Connects directly to standard trailer plugs, including common 4-pin, 6-pin, and 7-pin adapters, minimizing setup time. This versatile portable trailer light tester (Model 838, also identified as b091glv8h8) ensures broad compatibility for utility, cargo, RV, boat, and commercial trailers.
• Rapid Fault Identification: Provides clear indicator feedback to efficiently isolate opens, shorts, and miswired circuits, significantly reducing diagnostic time and potential callbacks.
• Durable and Portable Design: Weighing just 1 lb, this compact unit is easy to store and transport. Its rugged construction is built to withstand the demands of daily professional use in diverse automotive and industrial environments.

Applications

• Performing pre-trip and DOT-style safety inspections on light- and medium-duty trailers.
• Supporting routine fleet maintenance and preventive maintenance (PM) programs.
• Verifying repairs after wiring harness or connector replacements.
• On-site and mobile roadside service where reliable trailer light testing is essential.

Specifications

• Manufacturer: Thexton Toolworx LLC
• Model Number: 838 (b091glv8h8)
• Weight: 1 lb
• Form Factor: Compact, portable for professional use