This tester is for a trailer/caravan and tow bar socket/plug checker. To do this, you simply have to insert the tester into the socket or plug to be tested, press the test button and a clear diagnosis is made via the LED display.
eBay
Rear Gasket Seal for 7 Pin Towing Socket & Mounting Bolts - Trailer
Aliexpress UK
Just plug the tester in the 7pin /13 pin socket or the 7 pin /13 pin plug of the trailer or caravan and press the yellow button on the side of the tester. 1 x Plug Socket Diagnostic Tool (As seen in photos).
eBay
Towing Adapter 13 Plug Pin To 7 Pin 12N+12S Socket Towbar Electric Conversion Adapter Lead For
Aliexpress UK
This tester is for a trailer/caravan and tow bar socket/plug checker. To do this, you simply have to insert the tester into the socket or plug to be tested, press the test button and a clear diagnosis is made via the LED display.
eBay
3m 13 Pin Caravan Trailer Extension Cable Lead Towing Adapter Male to Male Caravan Light Connector
Aliexpress UK
Automotive13 Pin Towing Trailer Tow Bar Caravan Light Wiring Circuit Tester Plug Socket UK. To do this, you simply have to insert the tester into the socket or plug to be tested, press the test button and a clear diagnosis is made via the LED display.
eBay
10PCS 2.54MM pitch single row female pin socket 2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/20/40Pin PCB
Aliexpress UK
13 Pin MOT Towing Socket Tester 12 Volt Suitable for Class 4 Class 5 & Class 7 DVSA MOT Testing. • DVSA Approved for MOT use. 13 Pin Mot Towing Socket Tester 12V MOTST05. Ourcarriage prices are for UK Mainland only ?.
eBay
3 Pin Socket UK Plug Connector Cord Adapter 13A 13 AMP Electrical Plug Mains Top Appliance Power
Aliexpress UK
This product is used to test the electrical trailer sockets that are fitted to vehicles with tow-bars. If the sockets are faulty, secondary lights fitted to the trailer or caravan may not work. UK 🇬🇧 Manufactured 13 pin trailer socket tester with FREE 13 to 7 pin adapter!
eBay
10pcs 3/4/5/6/7/8/13 Pins DIN Connector Male/Female DIN Plug Jack Socket Connector Chassis Cable
Aliexpress UK
Automotive7Pin to 13Pin Towing Trailer Tow Bar Caravan Light Wiring Circuit Tester Plug Socket UK. This tester is for a trailer/caravan and tow bar socket/plug checker. -Just plug the tester in the 7 pin socket or the 7 pin plug of the trailer or caravan and press the yellow button on the side of the tester.
eBay
10pcs/lot 13 Pins DIN Male Insert Plug Soldering Audio AV Connector DIN Plug Jack Socket with Spring
Aliexpress UK
This12V 7 Pin Trailer Lights Plug & Socket Wiring Circuit Tester is designed for testing the lighting circuits on both towing vehicles and trailers/caravans etc. 12V electrical trailer plug & socket wiring tester.
eBay
10PCS 2.54MM pitch single row female pin socket 2/3/4/5/6/7/8/9/10/11/12/13/14/40Pin PCB Connector
Aliexpress UK