Riopngy Trailer Tester 7 Pin 12V Trailer Plug Socket Trailer Light Circuit Tester car resistance trailer Plug connector recorder Wiring Diagnostic Tool Black

✔️[Tester model]: 12V 7-pin tester car resistance trailer plug socket + two converters. The product size is 20.5*3.4*4.9CM, suitable for European cars.
✔️【High Quality?? This trailer plug tester is made of high-quality plastic and copper, lightweight and durable, with safe and reliable performance
✔️【Easy to Use??Just insert the lighting and cable tester into the socket or plug to be tested, press the test button, and the LED display can provide clear diagnostic information. It is easy to use and practical.
✔️【LED Indicator light】The tester is equipped with 6 LED indicators, which can indicate the wiring failure of the car or trailer.
✔️【Wide Application?? 12V plug and socket tester for electric trailers. One end of the trailer 7 is connected to the 7-pin plug and socket of the vehicle. Normal European standards, widely used in automobiles, caravans, recreational vehicles and other vehicles


1. The battery card slot is specially added, which is convenient for instant power-on test, and the battery is easy to install. Only two batteries are required. (Package content does not include battery)	2. The front car with 7 cores and the rear car with 13 cores, suitable for 7-pin and 13-pin plug connections It uses brass contacts and a paulownia pin slot for better conductivity.	3. The weatherproof spring lock cover of this 13-pin to 7-pin adapter can rotate 90° and protect the socket when not in use.

Control panel test indicator

1. Display on the left (yellow);

2. Fog lamp or 12V (blue);

3. Display on the right (green;

4. Right tail light (brown);

5. Left brake light (red);

6. Left tail light (black); Note: Pin 2 can be used for warning lights or permanent 12 V connection.

7. Floor (white);

Brass contacts, more conductive.

This product uses brass as a conductor, which is more stable than ordinary conductive materials, ensuring functionality and practicality;

It is fixed with screws to ensure a more stable line.

1.The yellow start button on the side of the trailer tester, press once the LED lights will all light up, indicating that the line is normal;

2.Part of the LED lights do not light up, poor contact caused by damage to the circuit;

3.All LED lights are off, and the ground wire is damaged, please check the power supply;

4.One or more lights are weak or flickering, the line is damaged or the plug is in contact with foreign objects;

5.All LED lights are weak or flashing, and the ground wire is damaged, please check the power supply;

6.The trailer light is not on, but the tester LED light is on, and the trailer circuit is short-circuited, and the fuse may be burned.

The purpose of the trailer:

Trailers, storage boxes, motorcycles, yachts, all-terrain vehicles, motorhomes.

Riopngy Trailer Tester 7 Pin 12V Trailer Plug Socket Trailer Light Circuit Tester car resistance trailer Plug connector recorder Wiring Diagnostic Tool Black

Control panel test indicator

Brass contacts, more conductive.

The purpose of the trailer:

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