- $25.76Trailer Wiring Harness 55513, 4 Way Flat Connector Socket, Easy to Install, Long Lasting Performance, Hilux 2008, 2010-2012, T100 1993-1998, Tacoma 2005-2008, 2009-2015Amazon
- $8.99Trailer Wiring Harness, LIMICAR 25ft Trailer Wiring, Trailer Wiring Harness Kit with 4 Pin Trailer Wiring Kit, 4 Wire Trailer Wire, Trailer Light Harness for Utility Boat Trailer Wiring KitAmazon
- SAVE $1.11$9.88$10.99Trailer Wiring Harness Universal 4 Way Flat Y-Splitter Plug and Play Adapter Extension Harness for LED Tailgate Light Bar and Trailer LightsAmazon
- $19.09Trailer Wiring Harness, Trailer Wiring Harness 7 Pin 4 Pin Multi Plug Trailer Towing Plug Cord 20135 Replacement for 1500 2000‑2008Amazon
- SAVE $2.73$7.25$9.98Trailer Wiring Harness Mounting Bracket for 7 Way RV Blade 7 Pin Truck Vehicle End Plug Mount Connector Coated SteelAmazon
- $12.69ibasenice Trailer-Side Wiring Harness 4 Way Flat 4 Trailer Wire Extension 4-pin Wiring Harness Tow Truck Trailer Wiring 4-Way Trailer Harness Wire Connector Electric Wire Extension CordAmazon
- $32.39MECMO Trailer Wiring Harness for 2005-2010 Honda Odyssey 4-Way Flat Hitch Wire Trailer Light Hook Up, Plug-in Simple T-Connector Vehicle Side Towing HarnessAmazon
- SALECurt Manufacturing 56189 Vehicle-Side Custom 4-Pin Trailer Wiring Harness,Fits Select Mitsubishi Outlander ,BlackAmazon・Sale
- $50.99MECMO 4-Way Flat Trailer Wiring Harness 56331 for 2011-2020 Dodge Grand Caravan, 2011-2016 Chrysler Town and Country, 2021-2022 Chrysler Grand Caravan, Plug & Play 4 Prong Tow Hitch Wire T-ConnectorAmazon
- $29.99LIMICAR Trailer Wiring, 100FT Bonded Trailer Wiring Harness, 18 Gauge 5 Way Trailer Wire, Trailer Light Wire, RV Camper Towing Boat Trailer Wiring Harness Wire (Green, Yellow, Brown, Blue, White)Amazon
- $43.99LIMICAR Trailer Wiring Harness, 100Foot 6 Way Trailer Wire, 6-Wire CCA Trailer Light Wire, 14 Gauge CCA Trailer Wire Kit, Boat Trailer Wire (Red, Blue, Green, Yellow, Brown, White)Amazon
- SAVE $5.50$49.49$54.99Nilight 4-Way Trailer Wiring Harness Kit 56407 Vehicle Side Custom JL Trailer Towing Wire Harness Compatible with Wrangler JL 2018-2023 and Gladiator 2020-2023, 2 Years Warranty,BlackAmazon
- $53.69WATERWICH 4 Way Trailer Wiring Harness 56349 Compatible with Toyota Tacoma 2016 2017 2018 2019 2020 2021 2022 2023 4-Pin Trailer Hitch Wiring HarnessAmazon
- $38.99INFINAUTO 4-Way Flat Trailer Wiring Harness, 4 Prong Trailer Light Plug, Plug and Play 4 Way Flat T-Connector Harness for Toyota Highlander 2020-2022 Black, 1 SetAmazon
- $49.99Oyviny 4 Way Trailer Wiring Harness 56407 for 2018-2023 Jeep Wrangler JL/2020-2023 Jeep Gladiator, Wrangler JL Trailer Wiring Harness for Jeep JL TowingAmazon
- SALESave on Nilight 7 Way Round RV Trailer Blade Wiring Connector Combo with Mounting Bracket Trailer Side 7 Pin Adapter Plug+Vehicle Side 7 Way Blade Trailer Wiring Harness Connector, 2 Years Warranty and moreAmazon・Sale
- $25.794 Pin Trailer Wiring Harness, Safe Connection Wearproof Long Lasting Trailer Wiring Adapter, Replacement for Acura MDX 2014 ‑ 2020Amazon
- $19.994-Way Flat to 7-Way Round RV Blade Trailer Adapter,4 Pin to 7 Pin Trailer Light Adapter Wiring Harness,Trailer Wiring Harness Trailer Light Plug Adapter for RV, Trailers, CaravansAmazon
- $19.99Oyviny 4 Way Trailer Wiring Harness 4 Flat to 3 Prong Tail Cable for Hitch Cargo Carrier Utility Lighting Round and Oval Stop Turn Tail Lights, 7.5FT with 6FT 4 Pin Trailer Extension Connector PlugAmazon
- SAVE $1.00$7.99$8.99Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 26 inch Hitch Light Trailer Wiring Harness ExtenderAmazon
- SAVE $2.00$37.99$39.994 Way Trailer Wiring Harness Compatible with 2019-2023 RAV4 and 2021-2023 RAV4 Prime, Flat Trailer Light Connector Assembly, Plug and Play Trailer Light Wiring 56434Amazon
- $34.99AUTOBABA 56407 4-Way Flat Trailer Wiring Harness,Jeep Towing Wiring Harness Compatible with Jeep Wrangler JL 2018-2023, Jeep Gladiator Unlimited 2020-2023,New Upgraded Look Wiring Harness KitAmazon
- $29.99CheeMuii 7 Way Trailer Cord and 7 Gang Junction Box Kit with 12V Breakaway Switch and Plug Holder Heavy Duty 8 FT Trailer Wiring Harness Kit for Trailers RVs CampersAmazon
- SALESave on Nilight USCAR 7 Pin to 4 Pin Trailer Wiring Harness Standard 7 Way USCAR Plug Socket for Tailgate Light Bar Adapter 41 Inches Wire for Factory Tow Package Vehicles with Uscar Socket, 2 Years Warranty and moreAmazon・Sale
- $43.49X AUTOHAUX 1 Set 118269 Vehicle Side 4-Pin 4 Way Trailer Wiring Harness Trailer Converter for Kia Sorento 2011-2020Amazon
- $7.99INFINAUTO Trailer Side 5 Way Flat Trailer Wiring Harness Plug, 20 Inch Wire Lead Trailer End Side 5 Pin Male Connector Trailer Light Wiring Harness Extension Waterproof for Trailer RV BoatAmazon
- $7.79Hoypeyfiy Trailer Light Wiring Harness Kit,4 Wires 4-Way Plug 4 pin Flat Wire Extension Male & Female Connector 32" Inch LongAmazon
- $13.99MICTUNING Trailer Wiring Harness Extension Kit - 4 Pin 25 Feet Male and 6 Feet Female Connector, 18 AWG Color Coded 4-Way Flat Wires for Under or Over 80 Inches Wide TrailersAmazon
- $32.71Trailer Wiring Harness Kit Fit for 2011-2019 Ford Explorer 4way Connector Adapter, 118540 T-One Connector AssemblyAmazon
- $31.19Oyviny Custom 4-Way Trailer Wiring Harness W/Powered Converter 56217 for 2008-2019 Toyota Highlander, for 2020-2021 Lexus RX 350/350L, Plug&Play 4 Pin Highlander Towing Trailer Wiring InstallationAmazon
- $42.69Oyviny Custom 4 Way Trailer Wiring Harness 56420 for 2019-2023 Hyundai Santa Fe/2020-2022 Palisade/2022-2024 Hyundai Santa Cruz/2022-2023 Tucson, for 2020-2022 Kia Telluride/2022-2024 CarnivalAmazon
- SALENilight 7 Way to 5 Way Coiled Trailer Extension Wiring Harness 5FT Heavy Duty 7 Pin Round to 5 Pin Flat Jacket Cable Add Reverse Lights Adapter Cord for Tow Hitch Car RV Boat Truck, 2 Years WarrantyAmazon・Sale
- $47.99Oyviny 4 Way Trailer Wiring Harness 56093 Compatible with 2020-2024 Ford Explorer/2011-2019 Ford Taurus/2013-2016 Lincoln MKSAmazon
- $19.99Oyviny Custom 4 Way Trailer Wiring Harness for 2020-2024 Toyota Highlander with Factory Tow Package Required, 4 FT Highlander Trailer Light Wire Adapter W/ 18 AWG Pure Copper Wire Dust CoverAmazon
- $59.994-Way Trailer Wiring Harness kit 56471 Compatible with Ford Bronco 2021 2022 2023 4-Pin Flat Trailer Connector Plug (W/O LED Taillights),BlackAmazon
- $50.99MECMO 4 Pin Trailer Wiring Harness 56033 for Nissan Rogue 2008-2020/ Infiniti G25 & G25 Sedan 2011-2012, G35 Sedan 2007-2008, G37 Sedan 2009-2013, Q60 2014-2015 Tow Hitch Wire 4-Way Trailer Light PlugAmazon
- $331.05Mopar 82213938AF Trailer Tow Wiring Harness Trailer Tow Wiring Harness, includes seven-way and four-way trailer connectors and lamp module using inputs from brake lamp and turn signal lampAmazon
- $17.99HONGCY Trailer Wiring Harness Kit 17275.01 for Jeep JK Wrangler Accessories Hitch, 4-pin Way Flat Tow Hitch Wireless Lights Adapter for Towing Connector Fit 2007-2018Amazon
- $18.997-Way Trailer Cord Wiring Harness with Molded Plug [7-Pin Trailer Wire Cable], 7 Prong Trailer Light Cord Wiring Connector for RV Camper (7 Feet)Amazon
- SALESave on Nilight 7 Way to 4 Way Coiled Trailer Extension Wiring Harness 5FT Heavy Duty 7 Pin Round to 4 Pin Flat Jacketed Cable Connector Adapter Stretchable for RV Truck Factory Tow Package, 2 Years Warranty and moreAmazon・Sale
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- $40.29MECMO 4-Way Flat Trailer Hitch Wiring Harness for 2013-2018 Hyundai Santa Fe, 2013-2018 Santa Fe Sport, 2019 Santa Fe XL, 2007-2012 Veracruz, 2015-2020 KIA Sedona, 2007-2021 SorentoAmazon
- $15.99EXERAUO Trailer Light Wiring Kit, 36ft Wiring Harness with 4 Way Flat, Waterproof 18 Gauge 4 Pin Wiring Kit for Utility Trailer, Marine, Boat TrailerAmazon
- $9.984 Way Flat Harness,GELRHONR 18AWG 4 Way 4 Pin Plug Flat Trailer Light Wiring Harness Extension for LED Tailgate Light Bar and Trailer Lights - 40cm/15.7 inch (M/F)Amazon
- $35.99PARTSam 7 Way Trailer Wiring Harness Kit 8ft Trailer Cord 12V Breakaway Switch and Plug Holder Trailer Connector Cable Wiring Harness with 7 Gang Junction Box WaterproofAmazon
- $71.99Oyviny RV 7 Way Trailer Wiring Extension for 5th-Wheel and Gooseneck Trailers + USCAR 7 Pin Wiring Harness Trailer Plug Truck ConnectorAmazon
- $26.99CARROFIX Replacement 7-Way RV Style Connector with Molded Cable Cord 6FT Long - Trailer End 7 Blade Trailer Wiring Harness 10-14AWGAmazon
- SALENilight 16 Feet 7 Way Inline Trailer Cord Heavy Duty 7 Pin RV Blade Trailer Side Wiring Harness 7 Pole Double Prongs Trailer Extension Cord for Towing Vehicle Truck Camper RV, 2 Years WarrantyAmazon・Sale
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- $26.99MECMO 4-Way Flat Trailer Wiring Harness 55363 for 1998-2006 Jeep Wrangler TJ Vehicle-Side 4 Pin Trailer Towing Hitch Wiring for Jeep TJ 4 Prong Trailer Light Plug, Plug & Play 4 Way Flat T-ConnectorAmazon
- $31.99EXERAUO 100FT Trailer Wiring Kit, 16 Gauge 4 Way Trailer Wiring Harness Kit, Wishbone Color-Coded 4 Pin Trailer Wiring Extension for Rewiring Boat, TrailerAmazon
- $16.99LIMICAR Trailer Wiring Harness Kit, 22FT 4 Pin 5 Wire Trailer Wire, 22FT Trailer Wire Harness, Wishbond Trailer Wire Kit 4 Pin Trailer Connector, Trailer Light Wire with Nylon Net Tube ProtectionAmazon
- $10.45XMSJSIY 4 Way Trailer Harness Wire Connector 4 Pin Flat Plug Female Trailer Wiring Harness Extension Connector Car Side 4-Pin Towing Harness Extension Kit Bare Wire Outlet Adapter -2PCS - 95CMAmazon
- $40.19Oyviny 4 Way Flat Trailer Wiring Harness for Nissan 2005-2022 + 4-Way Flat to 7-Way Round Blade and 4 Way Trailer Wiring Harness AdapterAmazon
- SAVE $5.59$69.99$75.58MECMO Multi-Tow 4 Way Flat to 7 Way Blade and 4 Flat Trailer Adapter with Custom 4-Pin Trailer Wiring Harness for 2015-2020 Toyota Sienna Excluding SEAmazon
- SALENilight Dual Output 4 Way Flat Vehicle Side to 7 Way RV Blade Wiring Adapter 4 Pin Flat to 7 Pin Round Blade and 4 Way Trailer Wiring Harness Adapter w/Mounting Bracket for Truck RV, 2 Year WarrantyAmazon・Sale
- $59.997 Way to 4 Way Trailer Plug Adapter - Trailer Wiring Harness Kit Compatible with 2007-2013 Toyota Tundra, Trailer Wire Connector, Vehicle-Side ConnectorAmazon
- $10.99CZC AUTO Trailer Wiring Harness Kit 4-Way Wishbone Style Y Style 18AWG Pure Copper Core Color Coded Wire with Standard 4-pin Flat Plug Connector, 4' Female and 25' Male for 12V Trailer BoatAmazon
- SAVE $3.00$26.99$29.99BougeRV 7 Way Trailer Plug Weatherproof Trailer Wiring Harness 7 Pin Trailer Connector Enclosed Trailer Accessories with Junction Box for RV Trailers, Campers, Caravans, Food TrucksAmazon
- $21.32Trailer Brake Control Wiring Harness - 2 Plugs, GMThe Home Depot