{"product_id":"oyviny-4-pin-trailer-wiring-harness-for-jeep-wrangler-jl-jlu-gladiator-jt-2018-2025-pure-copper-plug-and-play","title":"Oyviny 4-Pin Trailer Wiring Harness for Jeep Wrangler JL\/JLU \u0026 Gladiator JT (2018–2025) — Pure Copper, Plug-and-Play","description":"\u003cp\u003e\u003cstrong\u003eOyviny 56407 is a plug-and-play 4-pin trailer wiring harness that gives Jeep Wrangler JL\/JLU (2018–2025) and Gladiator JT (2020–2025) owners a reliable electrical connection to power trailer lights.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis wiring harness is built specifically for Jeep models including Wrangler Sahara, Sport, Rubicon, Unlimited (2-door and 4-door) and Gladiator trims, delivering a sturdy, weather-resistant path from vehicle signals to your trailer’s lights. Its standard 4-pin flat connector supports common small trailers—boats, ATVs, utility trailers, and compact campers—while pure copper conductors and a sealed converter deliver stable conductivity and longer service life.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness connect to my Jeep and trailer?\u003c\/h3\u003e\n\u003cp\u003eThe Oyviny 56407 attaches directly to the Wrangler or Gladiator factory sockets without cutting or splicing. Two vehicle-side connectors plug into existing passenger and driver sockets and the trailer-side 4-pin flat plugs into your trailer’s harness for immediate functionality.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play installation—no wire splicing required\u003c\/li\u003e\n  \u003cli\u003ePassenger and driver side vehicle connectors match factory ports\u003c\/li\u003e\n  \u003cli\u003eStandard 4-pin flat trailer plug compatible with common trailers\u003c\/li\u003e\n  \u003cli\u003eDust covers protect unused connectors from dirt and moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and electronics ensure reliable lighting performance?\u003c\/h3\u003e\n\u003cp\u003eThis harness uses 100% pure copper conductors for improved electrical and thermal performance, and ABS components for corrosion resistance. The tail light converter employs surface-mount soldering and an epoxy-sealed enclosure to keep electronics stable and shielded from road elements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePure copper wire for consistent signal transmission\u003c\/li\u003e\n  \u003cli\u003eABS housing resists corrosion and physical wear\u003c\/li\u003e\n  \u003cli\u003eSurface-mount converter reduces heat while maximizing light output\u003c\/li\u003e\n  \u003cli\u003eEpoxy sealing safeguards internal circuitry from moisture and vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich trailers and towing setups are compatible with this 4-pin harness?\u003c\/h3\u003e\n\u003cp\u003eThe flat 4-pin connector supports the lighting functions most small trailers require: running lights, brake lights, and turn signals. It is suitable for common tow loads like boat trailers, utility trailers, ATV haulers, and small campers that use the industry-standard 4-pin flat system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBoat trailers and small watercraft trailers\u003c\/li\u003e\n  \u003cli\u003eUtility and landscaping trailers\u003c\/li\u003e\n  \u003cli\u003eATV\/UTV trailers and gear haulers\u003c\/li\u003e\n  \u003cli\u003eCompact campers and pop-up trailers using 4-pin wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the harness durable for outdoor and long-term use?\u003c\/h3\u003e\n\u003cp\u003eThe design focuses on weather resistance and long-term reliability: sealed electronics, dust covers, and robust ABS connectors minimize corrosion and contamination. The heavy-duty construction and pure copper conductors are intended to maintain performance across repeated use and varied climates.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDust covers on trailer plug and fuse holder prevent dirt ingress\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant ABS connector shells\u003c\/li\u003e\n  \u003cli\u003eEpoxy-filled converter protects soldered surface-mount parts\u003c\/li\u003e\n  \u003cli\u003eWiring rated for typical towing conditions and temperature ranges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Oyviny 56407 harness is for Jeep owners who tow routinely with Wrangler JL\/JLU (2018–2025) or Gladiator JT (2020–2025) models and need a straightforward, dependable 4-pin connection for small trailers. It suits DIY installers wanting a plug-and-play solution, owners of boats, ATVs, utility trailers, and anyone prioritizing protected electronics and pure copper wiring for steady light signals on the road.\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: Will this harness fit my 2019 Jeep Wrangler JL?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—Oyviny 56407 is compatible with 2018–2025 Wrangler JL\/JLU models, including 2019, for plug-and-play trailer wiring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit require cutting vehicle wires?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No cutting or splicing is needed; the harness plugs into existing factory sockets on both sides.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Oyviny","offers":[{"title":"Default Title","offer_id":67586739110073,"sku":"B09X1CZS76","price":125.54,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/oyviny-front-connector-overview.jpg?v=1790491943","url":"https:\/\/redleafauto.ca\/products\/oyviny-4-pin-trailer-wiring-harness-for-jeep-wrangler-jl-jlu-gladiator-jt-2018-2025-pure-copper-plug-and-play","provider":"Redleaf Auto","version":"1.0","type":"link"}