{"product_id":"13-to-7-pin-trailer-adapter-12v-waterproof-towbar-connector","title":"13 to 7 Pin Trailer Adapter – 12V Waterproof Towbar Connector","description":"\n\u003ch2\u003e13 to 7 Pin Trailer Plug Adapter – Waterproof Towbar Socket Converter\u003c\/h2\u003e\n\u003cp\u003eSeamlessly connect your European-standard trailer to any 13-pin towbar socket with this robust \u003cstrong\u003e13 to 7 pin trailer adapter\u003c\/strong\u003e. Designed for caravans, horse boxes, boat trailers, and utility trailers, this 12V adapter transfers all essential lighting signals — indicators, brake lights, fog lamps, and tail lights — from your tow vehicle to your trailer with zero fuss.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal European Standard Compatibility:\u003c\/strong\u003e Converts your car's 13-pin socket to a 7-pin female socket for older trailers and caravans.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeatherproof Protection:\u003c\/strong\u003e Spring-loaded locking flap shields the connection from rain, dust, and debris when not in use — and locks the 7-pin plug securely in place when connected.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Signal Transfer:\u003c\/strong\u003e Passes left\/right indicators, brake lights, rear fog lamps, tail lights, and number plate lights reliably every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V System Compatible:\u003c\/strong\u003e Works with standard 12V vehicle electrical systems — ideal for cars, SUVs, and light trucks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure \u0026amp; Stable Connection:\u003c\/strong\u003e Ensures a firm, rattle-free link between your tow vehicle and trailer, eliminating intermittent signal faults.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Plug-and-Play:\u003c\/strong\u003e No wiring or special tools required — simply plug in and tow with confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePin Wiring Reference\u003c\/h3\u003e\n\u003ch4\u003e7-Pin (12N Black Cable) Connections\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 1\u003c\/strong\u003e – Yellow: Left \/ H Direction Indicator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 2\u003c\/strong\u003e – Blue: Rear Fog Lamps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 3\u003c\/strong\u003e – White: Earth Return\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 4\u003c\/strong\u003e – Green: Right \/ H Direction Indicator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 5\u003c\/strong\u003e – Brown: Right \/ H Tail \u0026amp; Number Plate Lamp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 6\u003c\/strong\u003e – Red: Brake Lights\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 7\u003c\/strong\u003e – Black: Left \/ H Tail \u0026amp; Number Plate Lamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e13-Pin Connections\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 1\u003c\/strong\u003e – Yellow: Left Indicator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 2\u003c\/strong\u003e – Blue: Fog Light\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 3\u003c\/strong\u003e – White: Earth Return\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 4\u003c\/strong\u003e – Green: Right Indicator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 5\u003c\/strong\u003e – Brown: Right Tail \/ Side Light\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 6\u003c\/strong\u003e – Red: Brake \/ Stop Lights\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 7\u003c\/strong\u003e – Black: Left Tail \/ Side Light\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 8\u003c\/strong\u003e – Pink: Reversing Light\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 9\u003c\/strong\u003e – Orange: 12V Permanent Power from Battery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 10\u003c\/strong\u003e – Grey: 12V Ignition-On (Battery Charging \/ Fridge)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 11\u003c\/strong\u003e – White\/Black: Earth for Terminal 10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 12\u003c\/strong\u003e – White\/Blue: Not Usually Used\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 13\u003c\/strong\u003e – White\/Red: Earth for Terminal 9\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e 13-pin male to 7-pin female\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e European trailer wiring standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeather Resistance:\u003c\/strong\u003e Waterproof spring-locking flap\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-3m-spiral-cable-protector-xiaomi-m365-ninebot-electric-scooter\"\u003e1.3m Spiral Cable Protector – Protect Your Vehicle Cables\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe trailer wiring and towing electrical standards, refer to the U.S. Consumer Product Safety Commission (CPSC) and \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST\u003c\/a\u003e for electrical connector standards.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this 13 to 7 pin trailer adapter compatible with all European-standard trailers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This adapter is designed to comply with the European trailer wiring standard, converting a 13-pin socket (found on most modern European tow vehicles) to a 7-pin female socket compatible with the vast majority of older caravans, horse boxes, and utility trailers using the standard 12N black cable configuration.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the waterproof flap really protect the connections when not in use?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The spring-loaded locking flap snaps shut over the 7-pin socket opening when no trailer is connected, keeping out rain, road spray, dust, and dirt. When you plug in your trailer's 7-pin connector, the flap locks it securely in place to prevent accidental disconnection while towing.\u003c\/p\u003e\n\u003ch4\u003eQ: Will this adapter work with a 12V fridge or battery charger connected via the trailer?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 13-pin side of this adapter includes Pin 9 (12V permanent battery power) and Pin 10 (12V ignition-on power for battery charging or a fridge), so auxiliary 12V appliances wired through a compatible 13-pin trailer connector will function as expected.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this 13 to 7 pin trailer adapter compatible with all European-standard trailers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This adapter is designed to comply with the European trailer wiring standard, converting a 13-pin socket (found on most modern European tow vehicles) to a 7-pin female socket compatible with the vast majority of older caravans, horse boxes, and utility trailers using the standard 12N black cable configuration.\"}}, {\"@type\": \"Question\", \"name\": \"Does the waterproof flap really protect the connections when not in use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The spring-loaded locking flap snaps shut over the 7-pin socket opening when no trailer is connected, keeping out rain, road spray, dust, and dirt. When you plug in your trailer's 7-pin connector, the flap locks it securely in place to prevent accidental disconnection while towing.\"}}, {\"@type\": \"Question\", \"name\": \"Will this adapter work with a 12V fridge or battery charger connected via the trailer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 13-pin side of this adapter includes Pin 9 (12V permanent battery power) and Pin 10 (12V ignition-on power for battery charging or a fridge), so auxiliary 12V appliances wired through a compatible 13-pin trailer connector will function as expected.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"A","offer_id":47718262407273,"sku":"14:10#A","price":12.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Se4e5e128dfca49a2aabe17599f119dday_d2e6358e-a7a0-4223-910c-e508eec0a8bf.webp?v=1782267422","url":"https:\/\/oasis-select.com\/products\/13-to-7-pin-trailer-adapter-12v-waterproof-towbar-connector","provider":"Oasis Select","version":"1.0","type":"link"}