{"product_id":"boat-trailer-wiring-harness-flat-4-250-022704","title":"29' Boat Trailer Wiring Harness 18-24' | 250-022704","description":"\u003ch2\u003e29' Boat Trailer Wiring Harness – Flat 4-Pin Plug | 250-022704\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEZ Loader 29' boat trailer wiring harness, part number 250-022704\u003c\/strong\u003e, is an OEM replacement harness with a flat 4-pin towing connector for compatible boat trailer lighting systems. This longer harness provides five additional feet of nominal wiring length compared with the 24-foot version, making it an option for trailer configurations requiring an extended wiring route. It is listed for certain 18–24-foot trailer applications, but actual compatibility must be confirmed using the original harness part number, connector configuration, and required wiring length.\u003c\/p\u003e\n\u003ch3\u003eFeatures and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine EZ Loader OEM replacement wiring harness.\u003c\/li\u003e\n\u003cli\u003e29-foot nominal harness length for compatible extended wiring routes.\u003c\/li\u003e\n\u003cli\u003eFlat 4-pin towing connector.\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible boat trailer lighting applications.\u003c\/li\u003e\n\u003cli\u003eReplacement option for damaged, corroded, or deteriorated trailer wiring.\u003c\/li\u003e\n\u003cli\u003eFactory part number 250-022704 for accurate identification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #cbd5dc; margin: 12px 0 20px 0; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"background-color: #12344d; color: #ffffff; text-align: left; padding: 12px; border: 1px solid #cbd5dc; font-weight: bold;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 9px; width: 38%; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 9px;\"\u003eEZ Loader\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 9px; font-weight: bold;\"\u003ePart Number \/ MPN\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 9px;\"\u003e250-022704\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 9px; font-weight: bold;\"\u003ePart Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 9px;\"\u003eBoat Trailer Wiring Harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 9px; font-weight: bold;\"\u003eHarness Length\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 9px;\"\u003e29 ft nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 9px; font-weight: bold;\"\u003eConnector Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 9px;\"\u003eFlat 4-Pin Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 9px; font-weight: bold;\"\u003eListed Trailer Application\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 9px;\"\u003e18–24 ft; verify model-specific fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 9px; font-weight: bold;\"\u003eElectrical Application\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 9px;\"\u003eCompatible trailer lighting circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 9px; font-weight: bold;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 9px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 9px; font-weight: bold;\"\u003eImportant Fitment Note\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 9px;\"\u003eConfirm original harness part number, connector, wiring route, and required length before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhen to Choose the 29' Wiring Harness\u003c\/h3\u003e\n\u003cp\u003eThis 29-foot harness is intended for compatible EZ Loader trailer configurations requiring a longer wiring path from the tow vehicle connection to the trailer lighting system. It may be appropriate when the original wiring route requires more length than the 24-foot harness provides.\u003c\/p\u003e\n\u003cp\u003eThe correct harness length depends on the trailer frame configuration, wiring route, tongue length, and lighting connections. A longer harness should not be selected based solely on boat length.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, verify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe original EZ Loader harness part number, if available.\u003c\/li\u003e\n\u003cli\u003eThe required wiring length along the actual trailer routing path.\u003c\/li\u003e\n\u003cli\u003eThe flat 4-pin towing connector configuration.\u003c\/li\u003e\n\u003cli\u003eExisting lighting connections and wiring layout.\u003c\/li\u003e\n\u003cli\u003eThe trailer VIN, model, and approximate manufacturing year.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e A flat 4-pin connector generally supports basic trailer lighting functions. Do not assume this harness includes the additional electrical circuits required for electric brakes, reverse-lockout solenoids, or other auxiliary functions.\u003c\/p\u003e\n\u003ch3\u003eNeed a Shorter Wiring Harness?\u003c\/h3\u003e\n\u003cp\u003eIf your trailer requires a shorter wiring run, consider the \u003cstrong\u003eEZ Loader 24' Boat Trailer Wiring Harness, part number 250-022703\u003c\/strong\u003e, featuring a flat 4-pin plug.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/24ft-flat-4-pin-trailer-wiring-harness-250-022703\" target=\"_blank\" title=\"https:\/\/ezloaderparts411.com\/products\/24ft-flat-4-pin-trailer-wiring-harness-250-022703\" rel=\"noopener\"\u003e\u003cstrong\u003eView the 24' Wiring Harness – Part 250-022703\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThe 24-foot version is five feet shorter than this harness. Confirm the original part number and trailer wiring requirements before choosing either replacement.\u003c\/p\u003e\n\u003ch3\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e is an EZ Loader OEM replacement parts supplier owned and operated by \u003cstrong\u003e411MarineCom, Inc. and the 411Marine family\u003c\/strong\u003e, serving customers since 1998 from Hardeeville, South Carolina.\u003c\/p\u003e\n\u003cp\u003e411MarineCom is a high-volume independent EZ Loader trailer dealer and direct-to-factory source for new EZ Loader marine boat trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eWe are a dealer resource, not the manufacturer. Our team helps previous trailer customers and new customers identify the correct EZ Loader parts using trailer VIN details, photos, measurements, real trailer comparisons, hands-on parts experience, publicly available resources, our websites, and direct customer conversations whenever possible.\u003c\/p\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":67665676730733,"sku":"250-022704","price":49.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/250-022704-ez-loader-29ft-wiring-harness.jpg?v=1791913326","url":"https:\/\/ezloaderparts411.com\/products\/boat-trailer-wiring-harness-flat-4-250-022704","provider":"EZLoaderParts411.com","version":"1.0","type":"link"}