Description:

Multifunctional Trailer Wiring Tester: This tester checks trailer wiring for 4-way flat and 7-way round connections.. Easy to Use: Simply plug the tester into the trailer wiring and check the lights and brake lights.. Reliable Performance: The tester provides fast and accurate testing for all trailer wiring connections.. Durable Construction: Made from sturdy plastic and metal components for long-lasting use.. Compact Size: The tester is small and lightweight, making it easy to carry around..