DXNQ 4 Pin Trailer Wiring Tester, 4-Way Straight Trailer Wire Tester Connector with LED Indicators, Flat Trailer Light Wiring Continuity Test Circuit Tester, Car Accessories

About this item

• Structure and Material: The shell of this trailer light wiring tester is made of high-quality plastic, which is strong and durable enough to meet the usage need. The rational structural design and insulated plastic housing make the circuit testing more safer and reliable
• Practical Function: This 4-pin trailer connector is used to detect circuit problems and trouble-hunt right, left, turn and brake lights to make sure they are working properly. It helps you quickly locate the problem, figuring out if it's the trailer wiring or the vehicle wiring
• Sensitive Response: Pins of the 4-Way straight-through trailer circuit tester are made with copper contacts that are highly conductive to ensure a stable circuit connection. The highly conductive contacts allow it to quick response to the circuit conditions
• Easy Testing: Operation of this 4-pin trailer tester connector is very simple, just plug it into your vehicle and then operate the turn signals, brake lights to check if the trailer wiring is working properly. Indicator light design helps you to get the test results quickly
• Compact Size: Measuring only 1.3×1.9 inches, the compact size of this trailer wiring tester connector allows it to easily fit into a glove compartment or pocket, making it very portable. Storing it in your toolbox doesn't take up much space, and keep it readily accessible