{"product_id":"ryukiro-7-way-trailer-wiring-harness-14-awg-25-ft-7-pin-color-coded-cable-for-lights-power","title":"Ryukiro 7-Way Trailer Wiring Harness 14 AWG — 25 ft, 7-Pin Color-Coded Cable for Lights \u0026 Power","description":"\u003cp\u003e\u003cstrong\u003eRyukiro's 7-way 14-gauge trailer wiring harness is a 25-foot, vehicle-to-trailer cable kit built to connect all standard 12V trailer lights and circuits reliably.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 7-pin wiring harness provides the complete set of conductors needed to link your tow vehicle to a compatible trailer: turn signals, brake lights, running lights, reverse\/aux circuits and a dedicated power\/stop feed. The cable uses automotive-grade insulation designed to resist oils and fuels while operating across a wide temperature span. Color-coded leads follow SAE wiring conventions so matching and installation are straightforward for both DIYers and professional installers.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does the Ryukiro 7-way harness include and why does gauge matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit supplies seven separate conductors inside a single outer jacket, each assigned to a common trailer function. Using 14 AWG wire balances current capacity and flexibility for most light and signal circuits on trailers up to typical towing loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSeven color-coded wires: green, yellow, white, brown, blue, black, red per SAE mapping.\u003c\/li\u003e\n  \u003cli\u003e14-gauge copper conductors suited for lighting and signal circuits.\u003c\/li\u003e\n  \u003cli\u003e25 feet length for ample reach between vehicle and trailer connection points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the outer jacket and where can it be used?\u003c\/h3\u003e\n\u003cp\u003eThe harness is sheathed in a rugged PVC jacket made for automotive environments. It resists common fluids such as oil and gasoline and performs across a broad temperature range, helping the cable endure outdoor exposure and garage storage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive-grade PVC resists oil, gasoline, and road grime.\u003c\/li\u003e\n  \u003cli\u003eTemperature tolerance from -5°F to 185°F for seasonal use.\u003c\/li\u003e\n  \u003cli\u003eFlexible enough for routing through tight chassis areas without splitting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does color-coding simplify installation and troubleshooting?\u003c\/h3\u003e\n\u003cp\u003eEach conductor is colored to match SAE wiring standards, which reduces guesswork when connecting trailer sockets or diagnosing faults. Clear color cues speed wiring work and make it easier to trace individual circuits during maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandardized colors: green, yellow, white, brown, blue, black, red for fast identification.\u003c\/li\u003e\n  \u003cli\u003eRed and black often used for auxiliary power and ground checks.\u003c\/li\u003e\n  \u003cli\u003eColor matching minimizes wiring errors and simplifies splicing or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this harness work with most trailers and vehicles?\u003c\/h3\u003e\n\u003cp\u003eThe 7-pin format is widely accepted for trailers that require a full set of light, brake, and auxiliary circuits. Compatibility depends on both your vehicle socket and trailer plug following the 7-way standard; adapters are available if pins differ.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for standard 7-pin trailer systems on many passenger and commercial tow vehicles.\u003c\/li\u003e\n  \u003cli\u003e25-foot length allows flexible routing and excess for coil or loom protection.\u003c\/li\u003e\n  \u003cli\u003eCan be trimmed and terminated to bespoke connector types if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This wiring kit is aimed at vehicle owners, RVers, contractors and trailer builders who need a durable 7-way cable for lighting and auxiliary trailer circuits. It fits DIY enthusiasts doing a trailer rewire, mechanics replacing worn harnesses, and fleet managers standardizing trailer hookups—anyone looking for a long, color-coded 14 AWG solution that tolerates typical automotive conditions.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Ryukiro 7-way harness safe for outdoor use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The automotive-grade PVC jacket resists oil and gasoline and is rated for -5°F to 185°F outdoor conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I shorten or reterminate the 25-foot cable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The cable can be trimmed and reterminated; maintain proper insulation and correct SAE color mapping when splicing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ryukiro","offers":[{"title":"Default Title","offer_id":48085609840798,"sku":"B0GL7PYBR3","price":37.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ryukiro-front-view-7-way-harness.jpg?v=1785874123","url":"https:\/\/northtrailauto.ca\/products\/ryukiro-7-way-trailer-wiring-harness-14-awg-25-ft-7-pin-color-coded-cable-for-lights-power","provider":"North Trail Auto","version":"1.0","type":"link"}