Portable Trailer Light Tester Box with 12V Battery & Wireless Remote | 7-Way Round & Flat Pin Compatible
Diagnose trailer lighting issues in seconds with our all-in-one Portable Trailer Light Tester Box. This essential tool for RV owners, truckers, and mechanics features a powerful built-in 12V 10Ah rechargeable battery and wireless remote control, allowing you to operate all lighting functions from up to 50 feet away—no helper or vehicle connection required. Engineered for universal compatibility, it works seamlessly with 7-way round RV connectors and 3, 4, or 5-pin flat trailer plugs, and includes a dedicated 7-pin tester plug for comprehensive circuit checks. Quickly verify turn signals, brake lights, running lights, reverse lights, and electric brake circuits to ensure safety and compliance before every trip. The bright, easy-to-read LED indicators provide clear visual confirmation for each function. Its rugged, portable design makes it ideal for roadside repairs, shop diagnostics, or pre-trip inspections. Save time, money, and frustration by identifying faulty trailer wiring, blown bulbs, or connector problems instantly. The included battery offers long-lasting power and recharges easily via a standard wall outlet. Invest in reliability and peace of mind. This professional-grade tester is your fastest solution for ensuring your trailer lights are fully operational, keeping you safe and legal on the road.
