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. 1 x Plug Socket Diagnostic Tools. Designed to indicate a failure in the wiring on both towing vehicles and trailers/caravans etc.
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And they are RoHS certified. 1.8M in full extension. 1 x Trailer Extension Cable(Male to Male Extension Cable). Durable design -- Aluminium housing is corrosion resistant and waterproof, which supports a long service life.
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Screw connection incl. rubber seal. 19:00pm-08:30pm ( GMT+06:00USA / Canada ). 9:00am-22:30pm ( GMT+08:00Beijing ).
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Trailer Hitch. PIN 1 - Yellow Wire (Left Direction Indicator). Black plastic construction prevents rusting, prolongs its service life. Screw connection outside the socket, easy to install. PIN 4 - Green Wire (Right Direction Indicator).
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(Plate Lamp); PIN 6:Red Wire (Brake lights); PIN 7:Black Wire (Left/H Tail & No. Plate Lamp). This is a 7 Pin connector socket design for vehicle use. It is made of high quality plastic material for durable and long lasting use.
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Converts the 13-pin socket on your car to the 7-pin female socket. PIN 1 - Yellow Wire (Left/H Direction Indicator). PIN 4 - Green Wire (Right/H Direction Indicator). -Supplies power to your caravan, towing and truck.
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Used to connect the lights from the trailer to the vehicle towing or extend existing trailer electrics. Male to female trailer extension lead. Trailer extension lead (7 pin plug to 7 pin socket). This lead has a 7 pin male plug on one end and a 7 pin socket on the other.
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(Trailer extension lead (7 pin plug to 7 pin plug). Suitable for all trailers with a female plug on the front of the trailer for example on Ifor Williams trailers where they normally have a socket attached to the front of the trailer).
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