Best Pin Round To Pin Flat Wiring

CURT 55774 Dual-Output Vehicle-Side 7-Pin, 4-Pin Connectors, Factory Tow Package and USCAR Socket Required

  • VERSATILE DESIGN. This dual-output connector is a great upgrade for a variety of vehicles with a USCAR socket. It provides two standard trailer wiring sockets, a 4-way flat and an RV blade 7-way round socket, allowing for versatile towing options.
  • WEATHER-RESISTANT. This two-way trailer wiring socket is designed to outlast weather exposure. The 7-pin socket has a spring-loaded dust cover that keeps the connection points dry and protected when not in use.
  • RELIABLE CONNECTION. These trailer wiring sockets come ready to plug into existing vehicle wiring, using the factory USCAR socket. They connect the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and aux power.
  • USCAR-SPECIFIC. This trailer wiring harness socket is designed for specific vehicles with an industry-standard USCAR socket.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this dual 7-pin and 4-pin trailer wiring socket is made from durable black plastic that will never rust or corrode.
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CURT 57667 6-Way Round Vehicle-Side to 7-Way RV Blade Trailer Wiring Adapter , Black

  • VERSATILE DESIGN. This trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, adapting your 6-way round connector with taillights in center pin on your vehicle into a standard 7-way RV blade socket.
  • WEATHER-RESISTANT. This trailer wiring harness adapter comes with a spring-loaded dust cover for the 7-pin wiring socket to protect the terminals from water, dirt and corrosion. The wiring harness is also well-protected with the included slit loom sleeve.
  • STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 6-way round and can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
  • NO-SPLICE INSTALL. This 6-pin to 7-pin trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with zero splicing required.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from durable black plastic and die-cast metal.
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CURT 57186 4-Way Flat Vehicle-Side to 7-Way RV Blade Trailer Adapter with Brake Controller Wiring

  • BRAKE CONTROLLER CONNECTION. This trailer wiring adapter makes it easy to add wiring for a trailer brake controller. It plugs into a 4-way flat....
  • WEATHER-RESISTANT. This trailer wiring harness adapter comes with a spring-loaded dust cover for the 7-pin wiring socket to protect the terminals from....
  • STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 4-way flat and can be used to connect the taillights, brake lights,....
  • EASY TO INSTALL. This 4-pin to 7-pin trailer adapter with brake controller wiring comes ready to plug into your vehicle or trailer wiring with minimal....
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from durable black plastic....
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CURT 70107 Custom Tow Bar Base Plate Brackets for Dinghy Towing, Fits Select Chevrolet Colorado, GMC Canyon

  • VERSATILE DESIGN. This dinghy tow wiring adapter makes it easy to connect a motorhome socket and dinghy vehicle plug, adapting the 7-way RV blade socket connector into a standard 6-way round.
  • USEFUL EXTENSION. This trailer hitch wiring adapter comes with an 8-foot coiled harness to provide plenty of extra length to accommodate a variety of flat towing setups. The coiled cable helps keep the wiring harness from scraping on the ground.
  • EASY GRIP. Plugging in your wiring and lights is easy with the ergonomic design of this RV wiring adapter. It features tabs on the sides for a better grip when plugging into the vehicle or unplugging.
  • STANDARD FIT. This 7-pin to 6-pin trailer adapter wiring comes ready to plug into your motorhome and vehicle wiring. It connects the taillights, brake lights, turn signals, electric brakes and auxiliary power.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housings of this dinghy towing harness adapter kit are made from durable black plastic and die-cast metal.
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CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires

  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. It features tabs on the top and bottom for a better grip when plugging into your vehicle or unplugging.
  • RELIABLE CONNECTION. This 4-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It has 16-gauge wires and can be used to connect the taillights, brake lights and turn signals.
  • VERSATILE DESIGN. This trailer connector makes a great replacement 4-flat trailer wiring connector. The 4-pin wiring design matches industry-standard 4-way flat sockets and can be used on a wide variety of trailers.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring plug is made from durable black molded rubber that will never rust or corrode.
  • READY TO INSTALL. Equipped with blunt-cut, color-coded wires, this 4-prong trailer wiring plug comes ready to install. The 12-inch wire lead provides extra length for an easy installation.
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CURT 58060 Trailer-Side 4-Pin Round Wiring Harness Plug

  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer wiring plug. It features tabs on the....
  • VERSATILE DESIGN. This trailer wiring connector makes a great replacement 4-flat wiring plug. It matches industry-standard 4-way round connectors and....
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable....
  • RELIABLE CONNECTION. This 4-way round trailer wiring plug is equipped with a locking tab on top that secures the plug into the socket when inserted.....
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, this 4-wire trailer plug features concealed terminals, keeping the wires from....
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CURT 58061 Trailer-Side 4-Pin Round Wiring Harness Plug

  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer wiring plug. It features tabs on the....
  • VERSATILE DESIGN. This trailer wiring connector makes a great replacement 4-flat wiring plug. It matches industry-standard 4-way round connectors and....
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable....
  • RELIABLE CONNECTION. This 4-way round trailer wiring plug is equipped with a locking tab on top that secures the plug into the socket when inserted.....
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, this 4-wire trailer plug features concealed terminals, keeping the wires from....
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CURT 58348 Trailer-Side 4-Pin Flat Wiring Harness with 48-Inch Wires

  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. It features tabs on the top and bottom for a better grip when plugging into your vehicle or unplugging.
  • RELIABLE CONNECTION. This 4-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It has 16-gauge wires and can be used to connect the taillights, brake lights and turn signals.
  • VERSATILE DESIGN. This trailer connector makes a great replacement 4-flat trailer wiring connector. The 4-pin wiring design matches industry-standard 4-way flat sockets and can be used on a wide variety of trailers.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring plug is made from durable black molded rubber that will never rust or corrode.
  • READY TO INSTALL. Equipped with blunt-cut, color-coded wires and four snap locks, this 4-prong trailer wiring plug comes ready to install. The 48-inch wire lead provides plenty of extra length for a flexible installation.
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24 Pcs Domed Head Barrel Truss Nut Torx 5/16\ Thread Cargo Trailer Door Latch

  • Plug and play: Converts 4-pin flat truck connector to a 7-pin blade round socket for the trailer, connects tail reverse turn signals, synchronize the trailer's signal light, no splicing of wires needed, plug and play, easily to create custom plug-in wiring systems for towing solutions..
  • Dustproof & Waterproof: With well-sealed spring-loaded cover and PVC shell, high dust-proof and waterproof, to avoid the adapter damage from the external environment when it is not in use and prolong service life..
  • Easy to install: Package comes with mounting bracket and hardware, easily connect the trailer wiring adapter to your trailer hitch or bumper..
  • Wide Application - Applicable to all towing vehicles that don't require electric brakes, including trailers, semi-trailers, RVs, etc.
  • Package including: 1 x 4 Way Flat to 7 Way Blade Trailer Light Adapter with Mounting Bracket.
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CURT 57283 8-Foot Flat Towing 7-Way RV Blade Motorhome to 6-Way Round Dinghy Vehicle Wiring Adapter Extension Harness , Blue

  • VERSATILE DESIGN. This dinghy tow wiring adapter makes it easy to connect a motorhome socket and dinghy vehicle plug, adapting the 7-way RV blade socket connector into a standard 6-way round.
  • USEFUL EXTENSION. This trailer hitch wiring adapter comes with an 8-foot coiled harness to provide plenty of extra length to accommodate a variety of flat towing setups. The coiled cable helps keep the wiring harness from scraping on the ground.
  • EASY GRIP. Plugging in your wiring and lights is easy with the ergonomic design of this RV wiring adapter. It features tabs on the sides for a better grip when plugging into the vehicle or unplugging.
  • STANDARD FIT. This 7-pin to 6-pin trailer adapter wiring comes ready to plug into your motorhome and vehicle wiring. It connects the taillights, brake lights, turn signals, electric brakes and auxiliary power.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housings of this dinghy towing harness adapter kit are made from durable black plastic and die-cast metal.
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CURT 57285 8-Foot Flat Towing 7-Way RV Blade Motorhome to 4-Way Round Dinghy Vehicle Wiring Adapter Extension Harness and Socket, Blue

  • VERSATILE DESIGN. This dinghy tow wiring adapter makes it easy to connect a motorhome socket and dinghy vehicle plug, adapting the 7-way RV blade socket connector into a standard 4-way round.
  • USEFUL EXTENSION. This trailer hitch wiring adapter comes with an 8-foot coiled harness to provide plenty of extra length to accommodate a variety of flat towing setups. The coiled cable helps keep the wiring harness from scraping on the ground.
  • EASY GRIP. Plugging in your wiring and lights is easy with the ergonomic design of this RV wiring adapter. It features tabs on the sides for a better grip when plugging into the vehicle or unplugging.
  • STANDARD FIT. This 7-pin to 4-pin trailer adapter wiring comes ready to plug into your motorhome and vehicle wiring. It connects the taillights, brake lights and turn signals.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housings of this dinghy towing harness adapter kit are made from durable black plastic and die-cast metal.
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CURT 58380 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires

  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these vehicle-trailer connectors. They feature tabs on the top and bottom for a better grip when plugging in or unplugging.
  • RELIABLE CONNECTION. These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. They have 16-gauge wires and can be used to connect the taillights, brake lights and turn signals.
  • VERSATILE DESIGN. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets. The 4-pin wiring design matches industry-standard 4-way flat connectors and is compatible with a wide variety of trailers.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring plugs is made from durable black molded rubber that will never rust or corrode.
  • READY TO INSTALL. Equipped with color-coded wires, these 4-prong trailer wiring connectors come ready to install. The 12-inch wire loop provides extra length for an easy installation.
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CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors

  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these trailer wiring connectors. The trailer plug....
  • VERSATILE DESIGN. These trailer wiring connectors make great replacement 4-flat wiring plugs and socket. They match industry-standard 4-way round....
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring connectors is made from strong,....
  • RELIABLE CONNECTION. These 4-way round trailer wiring connectors are equipped with locking tabs that secure the plug into the socket when inserted.....
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, these 4-wire trailer plugs feature concealed terminals, keeping the wires from....
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