ETUKER 7 Pin Trailer Light Plug & Socket Wiring Circuit Tester, 12V 7 Pin Trailer Light Connector Wiring Circuit Diagnostic Testing Tools, for Caravan/RV/Trailer Light Diagnostic (Tester + Adapter)

• ✫ 7 Pin Trailer Light Tester- Indicates any failures in the wiring circuits on the car or trailer, one side connects to the 7-pins plug of a trailer and the other side to the 7-pins socket of the towing vehicle.
• ✫ European standard - Passed european CE, ROHS certification, the 7 pin trailer plug tester is normal European standard, used to car, caravan, RV, trailer, bicycle, carriers. This 12V tester are Easy to Assemble, also can be applied to 13 pin with the adapter.
• ✫ Durable Material - testers are selected with superior plastic & cross slotted copper needles, cooperate with the female pin, surface after frosted, stable connection.
• ✫ Please Note- The trailer light circuit tester requires 1PC 9V battery (not included).
• ✫Confident Product - Product for sale by ETUKER, we provide friendly customer service.If for any reason you are not completely satisfied with the product -just let us know, we'll be happy to help you out!

ETUKER 12V 7 Pin Trailer Lights Plug & Socket Wiring Circuit Tester is designed for testing the lighting circuits on both towing vehicles and Trailers/RV/Caravan/Boat/Car etc. It has one side to connect to the 7-pins plug of a trailer and the other side to the 7 pins socket of the towing vehicle Simply plug it directly into either 7-pin N-type plugs or sockets and gives a continuity test on all lighting circuits. Specifications: Material: Plastic & Brass Voltage: 12V DC Contents: 7 pin tester + adapter Color: Black Item Type: Diagnostic Tools Item Name: Trailer Tester Battery Type: 9V (the battery is not included) How to test the connection of a Trailer (can also be a caravan, bicycle, carrier or other commercial vehicle)? 1. Connect the tester with plug or socket. 2. Press the yellow button on the side of the tester. 3. If the wiring is good, all the LEDs will light up. left hand indicator (yellow) fog light or 12V (blue) mass (white) right hand indicator (green) right rear light (brown) left brake light (red) left rear light (black)