Yuanjoy 7 Pin Trailer Tester, 12v For Diagnosing Trailer Tail Lights, for Motorhomes, Caravans, Golf Carts and Many Other Vehicles

• Indicates faults in the car or trailer lighting wiring circuits. Plug and play, no cutting or splicing required
• CE EN61000, RoHS EN62321 certified, using high quality ABS+copper material, durable matte black housing
• Simply plug the lighting and cable tester into the socket or plug to be tested, press the test button and the LED screen can provide clear diagnostic information.
• 12V electric trailer plug tester, one end of the trailer is connected to the vehicle's 7-pin plug and socket, normal European standards commonly used in cars, caravans, RVs and other vehicles.
• You need a 9V square battery to activate the tester, otherwise it will not work (not included)

Yuanjoy 7 Pin Trailer Tester, 12v For Diagnosing Trailer Tail Lights, for Motorhomes, Caravans, Golf Carts and Many Other Vehicles Specifications: Material: Plastic & Brass Voltage: DC 12V Contents: 1 x tester (only for testing 7pin without adapter) Tips: The body plugs can directly into either 7 pin N type plugs or sockets and gives a continuity test on all lighting circuits. 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. The function of each LED is (acc ISO 1724): 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). Attention: The pin No.2 can be used either for a warning fog lamp or a permanent 12V connection. Precautions: 1. Due to lighting and shooting angle, there may be colour differences between products. Please refer to the actual product. 2. Due to manual measurement, there may be slight differences in product dimensions, but these are within the normal range and do not affect use