{"product_id":"13-pin-trailer-tailgate-power-connector-iso-11446-female-oem","title":"13-Pin Trailer \u0026 Tailgate Power Connector – ISO 11446 Female OEM","description":"\u003ch2\u003e13-Pin Trailer \u0026amp; Tailgate Power Connector – ISO 11446 Female OEM\u003c\/h2\u003e\n\u003cp\u003eThe 13-pin trailer connector is the European standard (ISO 11446) for all towing electrical connections on modern vehicles, replacing the older 7-pin system. This \u003cstrong\u003efemale 13-pin connector\u003c\/strong\u003e integrates trailer lighting, brake, reverse, auxiliary power, and electric brake circuits in a single sealed housing. Available bare or with 15cm pre-wired leads for direct splice-in installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Is a 13-Pin ISO 11446 Trailer Connector?\u003c\/h3\u003e\n\u003cp\u003eISO 11446 is the European standard defining the 13-pin trailer connector used on passenger cars, SUVs, and light commercial vehicles across the EU. It supersedes the older 7-pin DIN 72570 connector by adding reverse light, permanent battery power (pin 9), ignition-switched power (pin 12), and electric trailer brake control (pin 13) — enabling electric trailer brakes, trailer battery charging, and refrigeration unit power that the 7-pin system cannot support.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Count\u003c\/td\u003e\n\u003ctd\u003e13-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eISO 11446 (European 13-pin trailer connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGender\u003c\/td\u003e\n\u003ctd\u003eFemale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eNylon (PA66), weatherproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Option\u003c\/td\u003e\n\u003ctd\u003eBare connector \/ 15cm pre-wired leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eElectric tailgate, trailer power harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 15A (pins 9 \u0026amp; 12)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eISO 11446 Pin Assignment – Complete Reference\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eCircuit Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eLeft turn signal \/ hazard\u003c\/td\u003e\n\u003ctd\u003eSwitched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eRear fog light\u003c\/td\u003e\n\u003ctd\u003eSwitched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eEarth (ground) for pins 1, 2, 4\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eRight turn signal \/ hazard\u003c\/td\u003e\n\u003ctd\u003eSwitched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eRight side \/ tail light\u003c\/td\u003e\n\u003ctd\u003eSwitched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eBrake light\u003c\/td\u003e\n\u003ctd\u003eSwitched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eLeft side \/ tail light\u003c\/td\u003e\n\u003ctd\u003eSwitched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eReverse light\u003c\/td\u003e\n\u003ctd\u003eSwitched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003ePermanent +12V (battery power)\u003c\/td\u003e\n\u003ctd\u003ePermanent power, up to 15A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eEarth (ground) for pins 5, 6, 7, 8\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eEarth (ground) for pins 9, 12, 13\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eIgnition-switched +12V (ACC power)\u003c\/td\u003e\n\u003ctd\u003eIgnition-switched, up to 15A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eTrailer brake \/ electric brake control\u003c\/td\u003e\n\u003ctd\u003eBrake control signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy 13-Pin Trailer Connectors Fail\u003c\/h3\u003e\n\u003cp\u003eThe 13-pin connector is mounted at the vehicle's rear, fully exposed to road spray, mud, salt, and mechanical stress from repeated trailer coupling. Pins 9 and 12 carry up to 15A for trailer battery charging and auxiliary power — the combination of high current and moisture exposure makes terminal corrosion the dominant failure mode. Corroded trailer connectors cause intermittent trailer lighting faults, trailer brake failures, and auxiliary power loss — all safety-critical issues for towing operations. Replacing the connector is faster and more reliable than attempting to clean corroded terminals.\u003c\/p\u003e\n\n\u003ch3\u003e13-Pin vs 7-Pin Trailer Connector – Key Differences\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e7-Pin (DIN 72570)\u003c\/th\u003e\n\u003cth\u003e13-Pin (ISO 11446)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse light\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅ Pin 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePermanent battery power\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅ Pin 9 (15A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIgnition-switched power\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅ Pin 12 (15A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectric trailer brake\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅ Pin 13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrailer battery charging\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅ Via pin 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigeration unit power\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅ Via pin 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eVariant Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFemale (Bare)\u003c\/strong\u003e – 13-pin housing with terminals, no leads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFemale 15CM\u003c\/strong\u003e – Pre-wired with 15cm colour-coded leads for direct splice-in installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this compatible with all European 13-pin trailer sockets?\u003c\/strong\u003e\u003cbr\u003eA: Yes. This connector conforms to ISO 11446 and is compatible with all ISO 11446-compliant trailer sockets used across EU vehicles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use a 13-pin connector on a vehicle with a 7-pin socket?\u003c\/strong\u003e\u003cbr\u003eA: No — 13-pin and 7-pin connectors are not directly compatible. An adapter is required. Most modern European vehicles are fitted with 13-pin sockets from the factory.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What causes pin 9 or pin 12 to fail?\u003c\/strong\u003e\u003cbr\u003eA: High current (up to 15A) combined with moisture ingress causes accelerated terminal oxidation on pins 9 and 12. Symptoms include trailer battery not charging and auxiliary power loss. Replace the connector and apply dielectric grease to prevent recurrence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are terminals included?\u003c\/strong\u003e\u003cbr\u003eA: Yes, terminals are included with all variants.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEuropean 13-pin trailer socket harness (ISO 11446)\u003c\/li\u003e\n\u003cli\u003eElectric tailgate power connector\u003c\/li\u003e\n\u003cli\u003eCaravan, horse trailer, and boat trailer towing harness\u003c\/li\u003e\n\u003cli\u003eTrailer battery charging and refrigeration unit power circuits\u003c\/li\u003e\n\u003cli\u003eElectric trailer brake control harness\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cable Parts Online","offers":[{"title":"Female 15CM","offer_id":47831528112373,"sku":"14:200004889#Female 15CM","price":67.5,"currency_code":"USD","in_stock":true},{"title":"Female","offer_id":47831528145141,"sku":"14:202642826#Female","price":32.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S5df9d47d2fbb4cbd83aa19ac32012575L.webp?v=1773629025","url":"https:\/\/www.csldmcml.com\/products\/13-pin-trailer-tailgate-power-connector-iso-11446-female-oem","provider":"Cable Parts Online","version":"1.0","type":"link"}