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Best Pin Round Trailer Wiring Diagram

CURT 58090 Vehicle-Side 6-Pin Round Trailer Wiring Harness Socket

  • SPRING-LOADED COVER. To promote long-lasting use and weather resistance, this round 6-pin trailer wiring socket comes with a spring-loaded dust cover. It protects the 6-way connector when not in use, shielding it from the outdoor elements.
  • VERSATILE DESIGN. This vehicle-trailer wiring connector makes a great replacement 6-way wiring socket. It connects 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 this 4-pin trailer wiring connector is made from strong, durable die-cast metal.
  • RELIABLE CONNECTION. This 6-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 6-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 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 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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CURT 58677 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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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 58080 Trailer-Side 6-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 sides for a better grip when plugging into the vehicle or unplugging.
  • VERSATILE DESIGN. This trailer wiring connector makes a great replacement 6-way wiring plug. It matches industry-standard 6-way round connectors and connects 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 this 6-pin trailer wiring connector is made from strong, durable die-cast metal.
  • RELIABLE CONNECTION. This 6-way round trailer wiring plug is equipped with a locking tab on top that secures 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, this 6-wire trailer plug 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 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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Trailer Side 7-Way Round Wiring Harness Socket with Spring Guard - 7 Pin Trailer-Side Wiring Harness Connector

  • 【HIGH-QUALITY MATERIALS】7-pin trailer wiring plug is made of durable Die-cast zinc that was durable and solid..
  • 【CONVENIENT ATTACHMENT】7-pin trailer wiring plug features an extension spring that allows you to attach the plug in a convenient location on your trailer and keep it accessible..
  • 【Weather resistant】7-pin trailer wiring plug with concealed wire terminals.This helps protect the splice-in connection points for the wires,keeping them safe from dirt,rain,corrosion..
  • 【RELIABLE CONNECTION】7-way round trailer wiring plug is equipped with a locking tab on top that secures the plug into the socket when inserted.It will hold firmly to prevent the plug from falling out..
  • 【WIDE APPLICATION】Perfect for connecting tail, brake, reverse, turn signals and auxiliary power of your trailer, RV, camper, caravan, food van and other towed vehicles..
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CURT 58082 Trailer-Side 6-Pin Round Wiring Harness Plug with Spring

  • CONVENIENT ATTACHMENT. This 6-pin trailer wiring connector features an extension spring that allows you to attach the plug in a convenient location on your trailer and keep it accessible for plugging in any time.
  • 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 sides for a better grip when plugging into the vehicle or unplugging.
  • VERSATILE DESIGN. This trailer wiring connector makes a great replacement 6-way wiring plug. It matches industry-standard 6-way round connectors and is commonly used for towing horse trailers, farm trailers, boat trailers and utility trailers.
  • RELIABLE CONNECTION. This 6-way round trailer wiring plug is equipped with a locking tab on top that secures 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, this die-cast metal 6-wire trailer plug 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 58180 Trailer-Side 7-Pin Round Wiring Harness Socket with Spring

  • CONVENIENT ATTACHMENT. This 7-pin trailer wiring connector features an extension spring that allows you to attach the plug in a convenient location on your trailer and keep it accessible for plugging in any time.
  • 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 sides for a better grip when plugging into the vehicle or unplugging.
  • VERSATILE DESIGN. This trailer wiring connector makes a great replacement 7-way wiring plug. It connects the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and an auxiliary power wire.
  • RELIABLE CONNECTION. This 7-way round trailer wiring plug is equipped with a locking tab on top that secures 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, this die-cast metal 7-wire trailer plug 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 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 58140 Trailer-Side 7-Pin RV Blade Wiring Harness Connector

  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. It features two hooks on either side of the plug for a better grip when plugging in or unplugging trailer wiring.
  • WEATHER-RESISTANT. This trailer wiring plug 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 plug comes ready to splice into your existing trailer 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 trailer-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 plug is made from durable black plastic that will never rust or corrode.
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