12v 7 Pin Trailer Tester Lights Plug & Socket Cable

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Product Details

12v 7 Pin Car & Trailer Towing Lights Plug & Socket Cable Trailer Tester

This Trailer Tester can help you to quickly check the circuit failure of both vehicles and the 12V electrical system on trailers. Simply insert the lighting and Cable Tester into the socket or plug to be tested, press the test button and a clear diagnosis is made via the LED display. It is easy to use and practical. Ideal in the commercial and private sector, for workshops, car and trailer rental, accessory trade, etc.

The 12v Tester Plug & Socket Cable is connected to the trailer’s 7-hole plug on one end and to the car’s 7-hole socket on the other. The tester’s signal light will quickly show whether the trailer or car coil is connected properly. Suitable for 7-Pin Connectors. Indicates failures in the vehicle or trailer circuit. Portable, easy to store, hand-held design.


  • Type: Trailer Tester
  • Material: ABS + Copper
  • Quantity: 1pc
  • Item Color: Black
  • Adapter: 7-pin
  • Voltage: 12V
  • Product certification: CE, ROHS, PAHS
  • Copper needles: hpb58-2, hpb59-1
  • Main Body Size: 19.7*5.3*4.3cm
  • Net Weight: 364g / 12.8oz


  • 1* Trailer Tester ( Battery is not included)

Trailer Tester

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Item Specifics
Item Length:
Item Height:
Item Weight:
Special Features:
Connect vehicle and trailer kg
Material Type:
Plastic and Copper
Item Width:
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How do you ship packages?

Packages to be delivered within the U.S. are shipped from our U.S. warehouse through USPS. Packages to be delivered to other countries are shipped from our warehouse in China by ePacket or EMS depending on the weight and size of the product.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location Estimated Shipping Time*
United States 1-3 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Mexico, Central America, South America 15-30 Business days
*This doesn’t include our 1 day processing time for shipping within the U.S. and 2-5 days processing time for shipping to other locations.

Do you provide tracking information?

Yes, once your order is shipped you will receive an email that contains your tracking information. If you have any other questions, please contact us and we will do our best to help you out.
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