Best Trailer Wiring Ground

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 58092 Vehicle-Side and Trailer-Side 6-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 features tabs on the sides for a better grip when plugging into the vehicle socket or unplugging.
  • VERSATILE DESIGN. These connectors make great replacement 6-way wiring plugs and sockets. They connect the taillights, brake lights, turn signals, electric trailer brakes and an auxiliary power wire.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 6-pin trailer wiring connectors is made from strong, durable die-cast metal.
  • RELIABLE CONNECTION. These 6-way round trailer wiring connectors are equipped with locking tabs that secure the plug into the socket when inserted. This helps maintain a reliable wiring connection in spite of bumps and vibrations while towing.
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, these 6-wire trailer plugs feature concealed terminals, keeping the wires from direct exposure to rain, dirt, road salt and other corrosive threats (wires not included).
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CURT 56040 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Subaru Ascent, Forester, Outback, Crosstrek, XV , Black

  • EASY TO INSTALL. No cutting! No splicing! This trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer.
  • STANDARD CONNECTOR. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle.
  • VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Ford Transit 150, Transit 250, Transit 350 and Transit 350 HD.
  • RELIABLE POWER. This 4-way trailer wiring harness is built with surface mount technology. This type of circuitry generates less heat, optimal light intensity and durable performance.
  • DUST COVER. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.
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CURT 55513 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Toyota Tacoma, T100, Hilux , Black

  • EASY TO INSTALL. No cutting! No splicing! This trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer.
  • STANDARD CONNECTOR. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle.
  • VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Honda Civic sedan, Honda Fit, Honda Accord without LED taillights, Mazda 3, Mazda CX 5 and Mitsubishi Galant sedan, 2.4L, single exhaust.
  • RELIABLE POWER. This 4-way trailer wiring harness is built with surface mount technology. This type of circuitry generates less heat, optimal light intensity and durable performance.
  • DUST COVER. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.
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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 57183 4-Way Flat Vehicle-Side to 6-Way Round Trailer Wiring Adapter , Black

  • VERSATILE DESIGN. This trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, adapting your 4-way flat connector into a standard 6-way round socket.
  • WEATHER-RESISTANT. This trailer wiring harness adapter comes with a spring-loaded dust cover for the 6-pin wiring socket to protect the terminals from water, dirt and corrosion.
  • STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 4-way flat and can be used to connect the taillights, brake lights, turn signals, trailer brakes and auxiliary power (some splicing required).
  • EASY TO INSTALL. This 4-pin to 6-pin trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with minimal splicing required.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from durable die-cast metal.
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Nilight 7-Way to 4-Way Flat Blade Trailer Adapter Waterproof Rugged Nylon Housing 7-pin to 4-pin Trailer Wiring Adapter

  • EASY TO INSTALL. No cutting! No splicing! This trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer.
  • STANDARD CONNECTOR. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. 4-way trailer light wiring is popular on a wide variety of trailers, adding versatile towing options for your vehicle.
  • VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Toyota Highlander and Lexus RX350 (factory tow package may be required).
  • RELIABLE POWER. This 4-way trailer wiring harness is built with surface mount technology. This type of circuitry generates less heat, optimal light intensity and durable performance.
  • DUST COVER. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.
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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 58050 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 72-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 72-inch wire loop provides plenty of extra length for a flexible installation.
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CURT 56366 Vehicle-Side Custom RV Blade 7-Pin Trailer Wiring Harness, Fits Select Honda Pilot, Ridgeline , Black

  • EASY TO INSTALL. No cutting! No splicing! This trailer wiring harness plugs into existing original equipment wiring on your vehicle and equips it with a standard RV blade 7-pin trailer wiring connector for plugging in and towing a trailer.
  • HEAVY-DUTY CONNECTOR. The 7-way trailer wiring assembly can be used to connect trailer taillights, brake lights, reverse light signals, turn signals, electric trailer brakes and an auxiliary power wire.
  • VEHICLE-SPECIFIC. This vehicle-trailer wiring harness package is designed for select models of the Honda Pilot and Ridgeline (factory tow package required).
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of the 7-pin vehicle wiring socket is made from durable black molded rubber that will never rust or corrode.
  • SPRING-LOADED COVER. To promote long-lasting use and weather resistance, this 7 pin trailer wiring harness kit comes with a spring-loaded dust cover. It protects the 7way RV blade connector when not in use, shielding it from the outdoor elements.
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