4-Pin Flat Trailer Wiring Tester, Trailer Light Wire Circuit Tester, 4 Way Male & Female Trailer Plug Adapter with LED Indicator
Product Description
【4-Way Trailer Tester】:This 4-pin trailer plug tester is specifically designed to diagnose trailer light problems, allowing you to quickly check the working status of your trailer harness.
【Plug & Play】:This trailer light line tester has a plug-and-play design, no other tools are required, just plug the tester into the connector, then turn on the lights and signals, and finally check the LED lights on the tester. If the circuit is working properly, the LED light will light up.
【Bright LED Indicators】:This trailer light line tester has 3 LED indicators in red, yellow, and green, which can easily identify the circuit wiring problems of the taillight, left signal light, and right signal light.
【Sturdy Construction】:The 4-way trailer wiring tester is made of high-quality ABS plastic, which is sturdy, corrosion resistant, not easy to rust, and has good electrical conductivity, which can be used by you for many years. In addition, this trailer light line tester is also equipped with a rubber waterproof cover to protect the terminals when not in use, which is very safe.
【Wide Application】:This trailer light line tester is suitable for almost all types of vehicles, including cars, trucks, campervans, RVs, boats, trailers, and other vehicles. In addition, it's small enough to be stored in a glove box, toolbox, or anyw.
【Plug & Play】:This trailer light line tester has a plug-and-play design, no other tools are required, just plug the tester into the connector, then turn on the lights and signals, and finally check the LED lights on the tester. If the circuit is working properly, the LED light will light up.
【Bright LED Indicators】:This trailer light line tester has 3 LED indicators in red, yellow, and green, which can easily identify the circuit wiring problems of the taillight, left signal light, and right signal light.
【Sturdy Construction】:The 4-way trailer wiring tester is made of high-quality ABS plastic, which is sturdy, corrosion resistant, not easy to rust, and has good electrical conductivity, which can be used by you for many years. In addition, this trailer light line tester is also equipped with a rubber waterproof cover to protect the terminals when not in use, which is very safe.
【Wide Application】:This trailer light line tester is suitable for almost all types of vehicles, including cars, trucks, campervans, RVs, boats, trailers, and other vehicles. In addition, it's small enough to be stored in a glove box, toolbox, or anyw.