Top Trailer Wiring Plug Diagram

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).
Check Stock

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.
Check Stock

CURT 58145 Heavy-Duty Trailer-Side 7-Pin RV Blade Wiring Harness Connector Black

  • EASY GRIP. Plugging in your trailer wiring and trailer lights is comfortable and easy with the ergonomic design of this heavy-duty trailer plug. It features a handle-shaped body for a solid 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 heavy-duty 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 upgrade or 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 heavy-duty 7-pin trailer wiring plug is made from durable black plast....
Check Stock

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.
Check Stock

CURT 56601 Replacement 7-Pin RV Blade Trailer Wiring Harness Plug 6-Foot Blunt-Cut Wires

  • 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....
  • WEATHER-RESISTANT. This trailer wiring plug comes with concealed wire terminals. This helps protect the splice-in connection points for the wires,....
  • 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,....
  • VERSATILE DESIGN. This connector makes a great replacement 7-way RV blade harness and is interchangeable with virtually any 7-way RV connector. 7-pin....
  • READY TO INSTALL. Equipped with blunt-cut, color-coded wires, this 7-pin trailer wiring plug comes ready to install. The 6-foot wire lead provides....
Check Stock

WildAuto 10Pcs 3 Prong Pigtail Wire Plug, Right Angle 3-Wire Trailer Light Plug, 3-Wire Pigtail for Truck Trailer Side Marker Clearance Lights, for Trailers Trucks Tail Lights

  • 【Package included】10Pcs Right Angle 3-Wire Trailer Light Plug.
  • 【Easy to install】White Wire: Ground (Negative). Red Wire + White Wire: High Brightness, worked as Stop/Turn/Brake Light. Black Wire + White Wire: Low Brightness, worked as Tail/Running Light. (White wire: ground)..
  • 【Universal plug】3 Prong Pigtail Wire Plug is suitable for Trailers Trucks Tail/Turn/Stop/Brake/Reverse/Parking Lights..
  • 【Applications Widely】3 Prong Pigtail Wire Plug is suitable for 12V vehicles, For use on Semi Trucks & Trailers, ATVs, UTVs, Campers, Tractors, Service Trucks, Buses, Service Vans, Utility Trucks, Parade Floats, Horse Trailers, Utility Trailers, Pick Up Trucks, and ect..
  • 【Note】The 3-wires may not follow the "universal" trailer light plug wiring diagram, please just switch the red and white wire for a try..
Check Stock

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....
Check Stock

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....
Check Stock

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..
Check Stock

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.
Check Stock

Trailer Cable 4 Conductor 16 Ga Pvc Black Jacket 60V-100Feet

  • VERSATILE DESIGN. This trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, adapting your 7-way RV blade connector into a standard 4-way flat socket.
  • INTEGRATED TESTER. This trailer wiring adapter features a dust cover with a built-in LED wiring tester to ensure proper functionality of your vehicle towing electrical system. The dust cover also protects the 4-pin wiring socket.
  • STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 7-way RV blade and can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
  • NO-SPLICE INSTALL. This 7-pin to 4-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 that will never rust or corrode.
Check Stock

CURT 57187 4-Way Flat Vehicle-Side to 5-Way Trailer Wiring Adapter

  • 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 5-way flat socket.
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer wiring adapter. It features grips on the sides for a better grip when plugging into the vehicle or unplugging.
  • 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 and reverse lights (some splicing required).
  • EASY TO INSTALL. This 4-pin to 5-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 molded rubber that will never rust or corrode.
Check Stock