![Amazon.com: True Mods 4-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 4-Pin Trailer Light Wire Circuit Tester : Automotive Amazon.com: True Mods 4-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 4-Pin Trailer Light Wire Circuit Tester : Automotive](https://m.media-amazon.com/images/I/714csEeqykL.jpg)
Amazon.com: True Mods 4-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 4-Pin Trailer Light Wire Circuit Tester : Automotive
![Amazon.com: MECMO 4-Way Flat Trailer End Connector 25 Inch, 16AWG 4 Prong Trailer Wiring Harness Plug with Dust Cover, Trailer-Side 4-Pin Trailer Light Plug Male End Replacement Connector for Trailer Hitch Wire : Amazon.com: MECMO 4-Way Flat Trailer End Connector 25 Inch, 16AWG 4 Prong Trailer Wiring Harness Plug with Dust Cover, Trailer-Side 4-Pin Trailer Light Plug Male End Replacement Connector for Trailer Hitch Wire :](https://m.media-amazon.com/images/I/61GhVNUhMSL.jpg)
Amazon.com: MECMO 4-Way Flat Trailer End Connector 25 Inch, 16AWG 4 Prong Trailer Wiring Harness Plug with Dust Cover, Trailer-Side 4-Pin Trailer Light Plug Male End Replacement Connector for Trailer Hitch Wire :
![Amazon.com: 4-Way Flat Trailer Connector with Snap Self-Closing Lid Cover Heavy-Duty 12V 4-pin Trailer Tow Wire Harness Socket Kit with 7.8" Wires Road Tough WeatherLock : Automotive Amazon.com: 4-Way Flat Trailer Connector with Snap Self-Closing Lid Cover Heavy-Duty 12V 4-pin Trailer Tow Wire Harness Socket Kit with 7.8" Wires Road Tough WeatherLock : Automotive](https://m.media-amazon.com/images/I/51ZkSCxaJ2L.jpg)
Amazon.com: 4-Way Flat Trailer Connector with Snap Self-Closing Lid Cover Heavy-Duty 12V 4-pin Trailer Tow Wire Harness Socket Kit with 7.8" Wires Road Tough WeatherLock : Automotive
![Amazon.com: Oyviny 4-Way Flat to 7-Way Round Blade and 4 Way Trailer Wiring Harness Adapter Vehicle-Side 4 Pin to Trailer-Side 7 Pin and 4 Pin Dual-Output Connector with Mounting Bracket for Truck Amazon.com: Oyviny 4-Way Flat to 7-Way Round Blade and 4 Way Trailer Wiring Harness Adapter Vehicle-Side 4 Pin to Trailer-Side 7 Pin and 4 Pin Dual-Output Connector with Mounting Bracket for Truck](https://m.media-amazon.com/images/I/71ETL7ByPTL.jpg)
Amazon.com: Oyviny 4-Way Flat to 7-Way Round Blade and 4 Way Trailer Wiring Harness Adapter Vehicle-Side 4 Pin to Trailer-Side 7 Pin and 4 Pin Dual-Output Connector with Mounting Bracket for Truck
![Amazon.com: 4 Pin Trailer Wiring, 25ft Trailer Wiring Harness Kit, Serlainxin 18 AWG Color Coded Wires, Trailer Wiring Extension Kit, Corrosion Resistant, 4 Wire 4 Pin Flat for Utility Boat Trailer Lights Wire : Automotive Amazon.com: 4 Pin Trailer Wiring, 25ft Trailer Wiring Harness Kit, Serlainxin 18 AWG Color Coded Wires, Trailer Wiring Extension Kit, Corrosion Resistant, 4 Wire 4 Pin Flat for Utility Boat Trailer Lights Wire : Automotive](https://m.media-amazon.com/images/I/71gbdD6M4QL._AC_UF350,350_QL80_.jpg)
Amazon.com: 4 Pin Trailer Wiring, 25ft Trailer Wiring Harness Kit, Serlainxin 18 AWG Color Coded Wires, Trailer Wiring Extension Kit, Corrosion Resistant, 4 Wire 4 Pin Flat for Utility Boat Trailer Lights Wire : Automotive
![Hopkins 4-Wire Flat Connector, Vehicle to Trailer Wiring Connector in the Trailer Parts & Accessories department at Lowes.com Hopkins 4-Wire Flat Connector, Vehicle to Trailer Wiring Connector in the Trailer Parts & Accessories department at Lowes.com](https://mobileimages.lowes.com/productimages/1b02c063-2656-43f4-a625-c2bb0ad52a17/14157405.jpg)
Hopkins 4-Wire Flat Connector, Vehicle to Trailer Wiring Connector in the Trailer Parts & Accessories department at Lowes.com
![LIMICAR 50ft Boat Trailer Wiring Kit ,Trailer Wiring Harness kit , 4 Pin Trailer Wiring Kit Trailer Wire - Walmart.com LIMICAR 50ft Boat Trailer Wiring Kit ,Trailer Wiring Harness kit , 4 Pin Trailer Wiring Kit Trailer Wire - Walmart.com](https://i5.walmartimages.com/seo/LIMICAR-50ft-Boat-Trailer-Wiring-Kit-Trailer-Wiring-Harness-kit-4-Pin-Trailer-Wiring-Kit-Trailer-Wire_678e75d8-16cb-4684-9b79-3bd24e6d70d3.ff8129a5fc0512b6147868cc191a8ae3.jpeg)
LIMICAR 50ft Boat Trailer Wiring Kit ,Trailer Wiring Harness kit , 4 Pin Trailer Wiring Kit Trailer Wire - Walmart.com
![Amazon.com: CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors : Automotive Amazon.com: CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors : Automotive](https://m.media-amazon.com/images/I/613hb4aBcpL.jpg)
Amazon.com: CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors : Automotive
![Unique Bargains 4 Pin 32'' Trailer 4 Flat Wire Plug Hitch Light Trailer Wiring Harness Extender Male Female Connector - Walmart.com Unique Bargains 4 Pin 32'' Trailer 4 Flat Wire Plug Hitch Light Trailer Wiring Harness Extender Male Female Connector - Walmart.com](https://i5.walmartimages.com/seo/Unique-Bargains-4-Pin-32-Trailer-4-Flat-Wire-Plug-Hitch-Light-Trailer-Wiring-Harness-Extender-Male-Female-Connector_1fec1568-f935-4907-81cf-bac22f580365.86474f6cd769d23796a18fc90f5a7cb1.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Unique Bargains 4 Pin 32'' Trailer 4 Flat Wire Plug Hitch Light Trailer Wiring Harness Extender Male Female Connector - Walmart.com
![Amazon.com: True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness for Amazon.com: True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness for](https://m.media-amazon.com/images/I/71XVyHeQeCL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness for
![Unique Bargains Flat 4 Pin to 7 Way Round RV Trailer Plug Adapter Camper Trucks Wiring Connector - Walmart.com Unique Bargains Flat 4 Pin to 7 Way Round RV Trailer Plug Adapter Camper Trucks Wiring Connector - Walmart.com](https://i5.walmartimages.com/seo/Unique-Bargains-Flat-4-Pin-to-7-Way-Round-RV-Trailer-Plug-Adapter-Camper-Trucks-Wiring-Connector_5e76f794-73fd-4083-9d05-dc22e9dd7605.cf20b6598091353238b947111ae2f2fa.jpeg)
Unique Bargains Flat 4 Pin to 7 Way Round RV Trailer Plug Adapter Camper Trucks Wiring Connector - Walmart.com
![Amazon.com: YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug Connector with Mounting Bracket for Towing Solutions : Automotive Amazon.com: YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug Connector with Mounting Bracket for Towing Solutions : Automotive](https://m.media-amazon.com/images/I/612N1WxhYaL.jpg)
Amazon.com: YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug Connector with Mounting Bracket for Towing Solutions : Automotive
![Amazon.com: Oyviny 4 Way Flat Trailer Connector 5 Feet Jacketed Cable Heavy Duty Extension Cable Standard 4 Pin Trailer End Wiring Harness Adapter 18AWG Red Copper Color-Coded Wires for Trailer Hitch Wiring : Amazon.com: Oyviny 4 Way Flat Trailer Connector 5 Feet Jacketed Cable Heavy Duty Extension Cable Standard 4 Pin Trailer End Wiring Harness Adapter 18AWG Red Copper Color-Coded Wires for Trailer Hitch Wiring :](https://m.media-amazon.com/images/I/61mbIkYgXQL.jpg)
Amazon.com: Oyviny 4 Way Flat Trailer Connector 5 Feet Jacketed Cable Heavy Duty Extension Cable Standard 4 Pin Trailer End Wiring Harness Adapter 18AWG Red Copper Color-Coded Wires for Trailer Hitch Wiring :
![Amazon.com: OPT7 7 Pin to 4 Pin Trailer Adapter with Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Adapter, Connecter for Trailer Tow Hitch and Redline LED Tailgate Light Bar : Automotive Amazon.com: OPT7 7 Pin to 4 Pin Trailer Adapter with Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Adapter, Connecter for Trailer Tow Hitch and Redline LED Tailgate Light Bar : Automotive](https://m.media-amazon.com/images/I/61y0d4K-mBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: OPT7 7 Pin to 4 Pin Trailer Adapter with Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Adapter, Connecter for Trailer Tow Hitch and Redline LED Tailgate Light Bar : Automotive
![Amazon.com: MECMO Multi-Tow 4-Way Flat to 7-Way RV Blade and 4-Way Flat Female End Trailer Wiring Adapter Connector Kit, 4 Pin Vehicle-Side Trailer Light Plug to Dual-output 7 Blade & 4 Flat Amazon.com: MECMO Multi-Tow 4-Way Flat to 7-Way RV Blade and 4-Way Flat Female End Trailer Wiring Adapter Connector Kit, 4 Pin Vehicle-Side Trailer Light Plug to Dual-output 7 Blade & 4 Flat](https://m.media-amazon.com/images/I/61ypxKBPv7L._AC_UF894,1000_QL80_.jpg)