{"product_id":"mecmo-4-pin-trailer-wiring-harness-10ft-female-18awg-heavy-duty-color-coded","title":"MECMO 4-Pin Trailer Wiring Harness — 10ft Female 18AWG, Heavy-Duty Color-Coded","description":"\u003cp\u003e\u003cstrong\u003eMECMO's 10-foot vehicle-side 4-pin flat trailer wiring harness is a heavy-duty, color-coded 18AWG female plug built to replace damaged car-side 4-way connectors and simplify trailer light connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis connector is a ready-to-install vehicle-end pigtail designed for reliable towing electrical links. It arrives with a 10-foot run of 18AWG cable, four clearly color-coded conductors, a rugged copper-jacketed core, and a factory-molded female 4-way flat socket that matches industry standard trailer plugs. The assembly eliminates messy taped splices and gives a neat splice-ready end for fast integration with existing wiring.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness make trailer light repairs faster?\u003c\/h3\u003e\n\u003cp\u003eThe MECMO female 4-pin pigtail is pre-molded and color-coded so you can splice into your vehicle wiring without guessing which conductor does what. That saves time on diagnosis and avoids trial-and-error connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-cut, blunt-ended wires ready for butt-splices or crimp connections\u003c\/li\u003e\n  \u003cli\u003eStandard green\/yellow\/brown\/white color scheme for instant identification\u003c\/li\u003e\n  \u003cli\u003e10-foot cable provides flexible routing and extra length for neat installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this plug fit my truck, SUV, or trailer lights?\u003c\/h3\u003e\n\u003cp\u003eThe MECMO unit follows the industry-standard 4-way flat wiring layout used across most light-duty trucks, SUVs, and many trailers. It's intended for the vehicle side (female socket) and is compatible with standard 4-conductor trailer plugs and lighting circuits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatches common 4-way flat connector pinouts for tail, stop, and turn signals\u003c\/li\u003e\n  \u003cli\u003eDesigned to replace worn or cracked vehicle-side sockets on cars and trucks\u003c\/li\u003e\n  \u003cli\u003eWorks with incandescent and many LED trailer lights when wired correctly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the cable and connector durable enough for towing use?\u003c\/h3\u003e\n\u003cp\u003eThis harness uses 18 AWG conductors with a copper jacket and a molded female housing to resist wear from vibration and weather. The heavier gauge and robust assembly offer a cleaner, longer-lasting alternative to taped or frayed factory pigtails.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e18AWG wire for reliable current handling on light-duty circuits\u003c\/li\u003e\n  \u003cli\u003eMolded connector housing resists moisture and mechanical wear\u003c\/li\u003e\n  \u003cli\u003eTen-foot length reduces strain and allows secure routing away from pinch points\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the MECMO 4-pin vehicle-side wiring harness?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: match colors to your vehicle wiring, splice or crimp the blunt-cut leads, secure with dielectric grease and heat shrink if desired, and mount the socket in a protected location. No special tools beyond wire cutters, crimpers or soldering equipment are required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStrip wires, then crimp or solder to existing vehicle conductors\u003c\/li\u003e\n  \u003cli\u003eUse heat-shrink tubing or quality butt connectors for a weatherproof seal\u003c\/li\u003e\n  \u003cli\u003eTest lights before final cable routing and secure socket with screws or clips\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: MECMO's 4-pin vehicle-side flat trailer harness is aimed at DIYers, fleet operators, and vehicle owners who need a dependable replacement for a damaged or unreliable car-side trailer socket. It suits anyone wanting a tidy, color-coded, longer-length pigtail for light-duty towing and trailer lighting repairs without rewiring the entire harness.\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: Does this plug fit all 4-way flat trailer connectors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it follows the standard 4-way flat pinout used widely on light-duty trucks and trailers for tail, brake, and turn circuits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use it for LED trailer lights?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it works with LED lights when correctly wired; ensure your vehicle’s grounding and power meet LED requirements.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MECMO","offers":[{"title":"Default Title","offer_id":48084488749214,"sku":"B0CNYJVJWH","price":33.42,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/mecmo-front-view-molded-female-socket.jpg?v=1785857024","url":"https:\/\/northtrailauto.ca\/products\/mecmo-4-pin-trailer-wiring-harness-10ft-female-18awg-heavy-duty-color-coded","provider":"North Trail Auto","version":"1.0","type":"link"}