ReviewsTrailer Wiring 101

CURT 58150 Vehicle-Side 7-Pin RV Blade Trailer Wiring Harness Connector

PROTECTED. This 7-way RV blade socket is equipped with a spring-loaded dust cover that keeps the connection points dry and protected when not in use, ensuring strong, consistent power for miles to come.
WEATHER-RESISTANT. This trailer wiring socket comes with concealed wire terminals. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats.
RELIABLE CONNECTION. This 7-pin trailer wiring socket comes ready to splice into your existing vehicle wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
VERSATILE DESIGN. This connector makes a great replacement 7-way RV blade connector and is interchangeable with virtually any vehicle-side 7-way RV connector. 7-pin trailer wiring is commonly used for towing RV travel trailers.
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 7-pin trailer wiring socket is made from durable black plastic that will never rust or corrode.

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CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket

SPRING-LOADED COVER. To promote long-lasting use and weather resistance, this round 7-pin trailer wiring socket comes with a spring-loaded dust cover. It protects the 7-way connector when not in use, shielding it from the outdoor elements.
VERSATILE DESIGN. This connector makes a great replacement 7-way wiring socket. It connectors and connects the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and an auxiliary power wire.
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable die-cast metal.
RELIABLE CONNECTION. This 7-way round trailer wiring socket is equipped with a locking tab on the inside of the dust cover that secures the plug in place when inserted. This helps maintain a reliable wiring connection.
WEATHER-RESISTANT. To help protect the splice-in wiring connections, this 7-wire vehicle socket features 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 58155 Heavy-Duty Vehicle-Side 7-Pin RV Blade Trailer Wiring Harness Connector , Black

STRONG PROTECTED. This heavy-duty 7-way RV blade socket is equipped with a spring-loaded dust cover and rubber seal that keep the connection points dry and protected when not in use, ensuring strong, consistent power for miles to come.
WEATHER-RESISTANT. This trailer wiring socket comes with concealed wire terminals. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats.
RELIABLE CONNECTION. This heavy-duty 7-pin trailer wiring socket comes ready to splice into your existing vehicle wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
VERSATILE DESIGN. This connector makes a great upgrade or replacement 7-way RV blade connector and is interchangeable with virtually any vehicle-side 7-way RV connector. 7-pin trailer wiring is commonly used for towing RV travel trailers.
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this heavy-duty 7-pin trailer wiring socket is made from durable black plast....

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CURT 56056 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select GMC Acadia

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 GMC Acadia.
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features tabs on the top and bottom for a better grip when plugging into your trailer or unplugging.
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 55384 Replacement Vehicle-Side Custom USCAR 4-Pin Trailer Wiring Harness, Black

NOTE: Vehicle must already be equipped with USCAR.
EASY TO INSTALL. No cutting! No splicing! This trailer wiring harness Ts into an existing USCAR connection on your vehicle and equips it with a standard 4-pin trailer wiring connector for plugging in and towing a trailer.
STANDARD CONNECTOR. The 4-flat trailer wiring can be used to connect trailer taillights, brake lights and turn signals. 4-way trailer wiring is popular on a wide variety of trailers, adding versatile towing options for your vehicle.
USCAR-SPECIFIC. This USCAR wiring harness is designed for select vehicles with a standard USCAR socket, ensuring the easiest possible installation and the most reliable wiring connection.
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features a tab on top for a better grip when plugging into your trailer or unplugging.
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of the 4-pin vehicle wiring socket is made from durable black molded rubber that will never rust or corrode.

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CURT 56394 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Chevrolet Traverse , 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 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 Chevrolet Traverse (factory tow package required).
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features tabs on the top and bottom for a better grip when plugging into your trailer or unplugging.
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 56076 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Pontiac Grand Prix , 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 Pontiac Grand Prix.
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features tabs on the top and bottom for a better grip when plugging into your trailer or unplugging.
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 57224 4-Pin Round Vehicle-Side to 4-Way 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 round....
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer wiring adapter. It features tabs on....
STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 4-way flat and can be used to connect the taillights, brake lights and....
NO-SPLICE INSTALL. This 4-pin round to 4-pin flat trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with zero splicing....
DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from tough black plastic.

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Hopkins Towing Solution Hoppy 43385 Trailer Wiring Kit for 03-06 Toyota Tundra

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 Toyota 4Runner.
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 56327 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Ford Transit-150, 250, 350, HD

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 Buick Enclave, Chevrolet Malibu and Chevrolet Traverse.
EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features tabs on the top and bottom for a better grip when plugging into your trailer or unplugging.
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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7-Way RV-Standard 1 Ft (16\) Trailer wire Extension- Male to Female

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 Mitsubishi RVR, Outlander Sport and Lancer.
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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