BDZMC 4 Pin Car Plug Tester, 4 Way Flat Trailer Circuit Tester with LED Indicators, Straight Car Light Wiring Testers, Trailer Tester Connector for Turn Signal Tail Lights Trouble Shooter

BDZMC 4 Pin Car Plug Tester, 4 Way Flat Trailer Circuit Tester with LED Indicators, Straight Car Light Wiring Testers, Trailer Tester Connector for Turn Signal Tail Lights Trouble Shooter

• 【4-Way Trailer Tester】:This 4-pin car plug tester is used to quickly track whether your trailer is wired correctly, to test whether the trailer's taillight, the right light, left light, turn signal, and brake light are working properly, and troubleshoot and ensure your driving safety.
• 【Plug & Play】:This 4-pin trailer plug tester plug and play. Just insert the 4-way trailer plug tester into the connector, then operate the trailer's taillight and turn signal, turn on the light observe the LED light, and show the green light when there is electricity, indicating that it is working normally.
• 【Sturdy Construction】:The 4-pin trailer connector is made of ABS plastic material, which is strong and sturdy, has corrosion resistance and impact resistance, and is not easy to rust, ensuring long-term use. With TAIL, LT, and RT lights, easy to read and see which lines have problems.
• 【Portable Design】:This trailer-led indicator tester is small enough that you can put it in your pocket, toolbox, glove box, or anywhere else. And also equipped with a hanging hole and can be hung on a key chain for easy carrying and storage.
• 【Wide Application】:This 4-way car circuit tester is suitable for most vehicles, such as trucks, trailers, boats, campervans, and other vehicles, and can be used to test the operation of various lights. DC: 6-24V.