![]() The 7-pin trailer plug is complicated because it hosts 7 different connections all in one (watch the video right below this paragraph). The configuration of the 7-pin Trailer Plug 2 people – one to run the vehicle and one to run the multimeter.Multimeter with black/red probes that can test for volts.You’ll need the following items in order to test it effectively: We recommend using Innova 3340 for this task The function of each LED is as bellows (according to ISO 1724) PIN 1 -Yellow- Left indicator light PIN 2 -Blue-Fog Lamp PIN 3-white-ground PIN 4-Green-Right indicator light PIN 5-Brown-Right position light & License plate light PIN 6-Red-Stop light PIN 7-Black-left position light & License plate light Note: Pin 2 can be used for a warning fog or a permanent 12V socket.One of the most complicated things to test on a car often seems to be the 7-pin trailer plug as it hosts 7 different electrical connections in one plug/wire.īut with the use of a simple multimeter with a black/red probe you can test this easily at home to determine if there is an electrical break within the plug. If one LED does not light up, because the corresponding wire is faulty. If the wiring is good, all LED will light up. Press the yellow button on the side of the tester. 2.Connecting the tester to the plug of your towing vehicles or socket of your car. Open the battery cover on the back and insert a 9V battery (not included) inside. Making your driving safer on the road! Suitable for cars, trailers, caravans, camper, tow bar, bicycle carriers, truck, motorhome. Products Specifications: Voltage Rating: 12V Road traffic approval: CE, RoHS Material: Pure copper knife pins and High Strength Durable Plastic Nylon, Better Rust Protection and prevent corrosion Quickly check whether your vehicle's light functions are working properly or not before heading out on the road. TRUST OUR 17 YEARS OF PROFESSIONAL POWER SPARKMOTO Brand 12V 7Pin Trailer Light Tester meets ISO 1724 Standard. 【Customer Service】As a reliable brand, SPARKMOTO is committed to providing customers with perfect products and enjoyable shopping experience, in case you are not satisfied with us for any reason, please do not hesitate to contact us and we will contact you as soon as possible with good solutions.【Applications Voltage】 The trailer tester is used for a vehicle and tow trailer or caravan with 12v electric system, making your driving safer on the go! Suitable for trailers, caravans, cars, towbar, bicycle carriers, truck, camper, motorhome.【Europe Standard】SPARKMOTO Brand Holding Company is active in the field of Auto Spare Parts, Trailer Plug Socket for European and UK vehicles more than 17 years, All our products have passed CE, RoHS approval, comply with ISO 1724 and ISO 11446 Standard.Please note: the trailer tester needs a 9V battery (not included) to start work. Easy to use: Connect the tester to the plug of your towing vehicles or power outlet of your car, press the yellow button on the side of the tester to correctly or not check any light function wiring by reading the LED display feedback. ![]() One side connects with 7pin plug of the tow vehicles and the other side to 7pin socket of cars. ![]()
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