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Trailer Wiring - Single-Function Adapter, 7 Round - Blade

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Flint Hill Goods Connector Adapter - 7Way RV to 4Way Flat - 36" Cord
Flint Hill Goods Trailer Wiring

(71 reviews)


Code: FHG56ZR

Our Price: $13.06
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 4 Flat
  • Plug and Lead
  • Flint Hill Goods


...Features: Adapter converts your 7-pole, blade-style, vehicle-end connector for use with a 4-pole flat connector on your trailer Perfect for running power from your vehicle - with the 7-way RV plug...

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7-Pole Blade to 5-Pole Flat Connector Wired Trailer Adapter - Coiled Cable - 94-1/2" Long
Optronics Trailer Wiring

(225 reviews)


Code: A57CCB

Retail: $76.48
Our Price: $63.26
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 5 Flat
  • Plug and Lead
  • Optronics


...Features: Trailer adapter converts a tow vehicle's 7-pole wiring connection to a 5-pole flat pin connection for towing a trailer Allows 1 vehicle to tow a camper or boat trailer with hydraulic...

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Trailer Connector Adapter w/ Lamp-Out Sensor Bypass - 7-Way RV to 7-Way RV - Vehicle End
Tow Ready Trailer Wiring

(161 reviews)


Code: 20142

Retail: $48.42
Our Price: $31.40
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 7 Blade
  • Plug Only
  • Tow Ready


Designed for use with vehicles that have lamp-out sensors, this adapter ensures that your trailer with LED lights does not trigger any warnings or hyperflashing when hooked up to your vehicle's 7-way, blade-style connector.

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TorkLift Wiring Harness Extension for 48" SuperTruss or Cannon Hitch Extender - 7-Way RV
TorkLift Trailer Wiring

(84 reviews)


Code: TLW6048

Our Price: $130.90
In Stock
  • Trailer Wiring
  • Wiring Extensions
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • TorkLift


Designed for use with your 48" long SuperTruss or Cannon receiver extension, one end of this no-splice wiring harness plugs into your truck's 7-way blade trailer connector. The other end runs back 57" to clear your bed-mounted camper.

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TorkLift Wiring Harness Extension for 36" SuperTruss or Cannon Hitch Extender - 7-Way RV
TorkLift Trailer Wiring

(61 reviews)


Code: TLW6036

Our Price: $130.90
In Stock
  • Trailer Wiring
  • Wiring Extensions
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • TorkLift


Designed for use with your 36" long SuperTruss or Cannon receiver extension, one end of this no-splice wiring harness plugs into your truck's 7-way blade trailer connector. The other end runs back 42" to clear your bed-mounted camper.

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TorkLift Wiring Harness Extension for 24" SuperTruss Hitch Extender - 7-Way RV
TorkLift Trailer Wiring

(36 reviews)


Code: TLW6024

Our Price: $111.33
In Stock
  • Trailer Wiring
  • Wiring Extensions
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • TorkLift


Designed for use with your 24" long SuperHitch SuperTruss receiver extension, one end of this no-splice wiring harness plugs into your truck's 7-way blade trailer connector. The other end runs back 28" to clear your bed-mounted camper.

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Pollak 7 Pole to 4 Way Connector Adapter
Pollak Trailer Wiring

(1005 reviews)


Code: PK12716

Retail: $20.74
Our Price: $8.17
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 4 Flat
  • Plug Only
  • Pollak


...Features: 7-Pole RV connector to 4-way flat adapter Promotes quick and easy conversion of 7-pole, RV-style connector to 4-way flat connector Allows 1 vehicle to tow either campers or boat trailers...

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TorkLift Wiring Harness Extension for 42" SuperTruss or Cannon Hitch Extender - 7-Way RV
TorkLift Trailer Wiring

(35 reviews)


Code: TLW6042

Retail: $151.12
Our Price: $130.90
In Stock
  • Trailer Wiring
  • Wiring Extensions
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • TorkLift


Designed for use with your 42" long SuperTruss or Cannon receiver extension, one end of this no-splice wiring harness plugs into your truck's 7-way blade trailer connector. The other end runs back 48" to clear your bed-mounted camper.

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Hopkins Heavy-Duty Trailer Coiled Wire Adapter for 7-Way to 4-Wire Flat
Hopkins Trailer Wiring

(187 reviews)


Code: HM47065

Retail: $49.22
Our Price: $38.07
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 4 Flat
  • Plug and Lead
  • Hopkins


...Adapters provide increased durability and the additional length that may be necessary to reach between the tow vehicle's socket and the trailer/towed vehicle's plug....

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Pollak Trailer Connector Adapter - 7-Blade Plug to 7-Pole Round Pin - Nylon
Pollak Trailer Wiring

(72 reviews)


Code: PK12727

Retail: $52.12
Our Price: $47.17
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 7 Round
  • Plug and Lead
  • Pollak


...Features: Nylon construction Male 7-way, blade-style connector on adapter Joins with female 7-way, blade-style connector on vehicle Female 7-way, round pin-style connector on adapter Joins with male...

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TorkLift Wiring Harness Extension for 60" SuperTruss Hitch Extender - 7-Way RV
TorkLift Trailer Wiring

(25 reviews)


Code: TLW6060

Retail: $160.98
Our Price: $130.90
In Stock
  • Trailer Wiring
  • Wiring Extensions
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • TorkLift


Designed for use with your 60" long SuperHitch SuperTruss receiver extension, one end of this no-splice wiring harness plugs into your truck's 7-way blade trailer connector. The other end runs back 68" to clear your bed-mounted camper.

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TorkLift Wiring Harness Extension for 21" SuperTruss Hitch Extender - 7-Way RV
TorkLift Trailer Wiring

(27 reviews)


Code: TLW6021

Retail: $117.60
Our Price: $111.33
In Stock
  • Trailer Wiring
  • Wiring Extensions
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • TorkLift


Designed for use with your 21" long SuperHitch SuperTruss receiver extension, one end of this no-splice wiring harness plugs into your truck's 7-way blade trailer connector. The other end runs back 24" to clear your bed-mounted camper.

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7-Pole Blade to 5-Pin Delphi Connector Wired Trailer Adapter with 2-Pin Backup Camera Plug - Coiled
Optronics Trailer Wiring

(14 reviews)


Code: OPT42ER

Our Price: $87.83
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 5 Flat
  • Plug and Lead
  • Optronics


Trailer adapter converts a tow vehicle's 7-pole wiring connection to a 5-pin Delphi connection and a 2-pin camera connection for towing trailers with a backup camera. Coiled cord for extra flexibility. Threaded bracket for a secure connection.

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TorkLift Wiring Extension for 42" or 48" SuperTruss - 7-Way Camper and Trailer Sockets
TorkLift Trailer Wiring

(11 reviews)


Code: TLW6548

Our Price: $235.65
In Stock
  • Trailer Wiring
  • Wiring Extensions
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • TorkLift


Designed for use with a 42" or 48" long SuperTruss hitch extension, this wiring harness plugs into your truck's 7-way trailer connector and lets you run (1) 7-way plug up for your camper's wiring and 1 back for your trailer's.

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TorkLift Wiring Harness Extension for 32" SuperTruss Hitch Extender - 7-Way RV
TorkLift Trailer Wiring

(17 reviews)


Code: TLW6032

Retail: $128.98
Our Price: $111.33
In Stock
  • Trailer Wiring
  • Wiring Extensions
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • TorkLift


Designed for use with your 32" long SuperHitch SuperTruss receiver extension, one end of this no-splice wiring harness plugs into your truck's 7-way blade trailer connector. The other end runs back 38" to clear your bed-mounted camper.

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Adapter 7 Pole to 5 Pole Flat Wired Adapter
Optronics Trailer Wiring

(164 reviews)


Code: A57WB

Retail: $38.68
Our Price: $14.90
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 5 Flat
  • Plug and Lead
  • Optronics


...5-Way Flat to 7-Way RV Blade Adapter - Wired This is an adapter that converts the tow vehicle's 7-way blade connector into a 5-way flat pin connector. This model has a short length of wire...

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Custer Trailer Connector Adapter w/ Dust Cover - 7-Pole Round Pin to 7-Way Blade
Brophy Trailer Wiring

(50 reviews)


Code: F77R

Our Price: $53.41
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Round to 7 Blade
  • Plug and Lead
  • Brophy


...Features: Adapter converts your 7-way round pin connector to a 7-way RV-style connector Built-in cover protects the 7-way blade end from dirt and moisture when not in use Hinged cover opens 180...

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Trailer Connector Adapter - EZ Connector to 7-Way RV - Trailer End
EZ Connector Trailer Wiring

(20 reviews)


Code: 319-R7-51

Our Price: $49.99
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Contact to 7 Blade
  • Plug Only
  • EZ Connector


...Features: Adapter converts your EZ Connector trailer-end plug for use with a 7-way, RV-style vehicle-end socket Face-to-face electrical contacts on EZ Connector side - no pins or blades to bend or...

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Pollak 7-Way to 12 Volt Power Outlet Adapter
Pollak Trailer Wiring

(62 reviews)


Code: PK11896

Retail: $34.37
Our Price: $19.29
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade
  • Plug Only
  • Pollak


...Adapts 7-way trailer connector at the rear of the vehicle to a 12V plug Add a power inverter (sold separately) to adapt for 110V AC accessories Tin-plated copper terminal pins Provides access to...

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Hopkins Heavy-Duty Trailer Coiled Wire Adapter 7-Way to 5-Way Flat with Nite-Glow
Hopkins Trailer Wiring

(55 reviews)


Code: HM47025

Retail: $64.54
Our Price: $45.73
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 5 Flat
  • Plug and Lead
  • Hopkins


...Flex-Coil Adapters with Nite Glow illuminate on activation of the tail light function. This enables the user to find the electrical connection in the dark and shows that the vehicle's trailer wiring...

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Explore Expert Info Our Expert
on Trailer Wiring

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for Trailer Wiring

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Expert Answers

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Adapter 7-Pole to 6-Pole - Universal
Hopkins Trailer Wiring

(82 reviews)


Code: 47549

Retail: $31.98
Our Price: $16.92
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 6 Round
  • Plug Only
  • Hopkins


...Adapter converts your 7-pole plug on the vehicle down to 6-pole plug to fit your trailer's connector. Note: Center pin is set-up as the hot lead but can easily be changed to work with trailers...

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CURT Dodge OEM Harness Adapter
CURT Trailer Wiring

(17 reviews)


Code: C57300

Our Price: $20.60
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • CURT


...Features: Allows US sockets (HM40975 and PK11893) to function on Dodge Applications Fits: 1995-2010 Dodge Dakota 1995-2008 Dodge Ram 1500 1995-2009 Dodge Ram 2500/3500...

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TorkLift Wiring Harness Extension for 28" SuperTruss Hitch Extender - 7-Way RV
TorkLift Trailer Wiring

(19 reviews)


Code: TLW6028

Retail: $142.98
Our Price: $111.33
In Stock
  • Trailer Wiring
  • Wiring Extensions
  • Universal Fit
  • 7 Blade
  • Plug and Lead
  • TorkLift


Designed for use with your 28" long SuperHitch SuperTruss receiver extension, one end of this no-splice wiring harness plugs into your truck's 7-way blade trailer connector. The other end runs back 32" to clear your bed-mounted camper.

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Curt Trailer Connector Adapter - 7-Way RV Style to 5-Way Flat - 96" Cord
CURT Trailer Wiring

(4 reviews)


Code: C84HR

Retail: $66.59
Our Price: $49.30
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Universal Fit
  • 7 Blade to 5 Flat
  • Plug and Lead
  • CURT


This adapter lets you span 5' to connect your 7-way, RV-style, vehicle-end connector to the 5-way flat connector on your trailer. Coiled cord ensures that wires won't drag on the ground. Molded construction is durable and corrosion resistant.

More Information >



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What our customers are saying:
Excellent service and communication. Expect part to be excellent too!
Tommy
Tifton, GA

Effortless Connections with 7 Round - Blade Adapters

Discover the ease of connecting your trailer with 7 Round - Blade Single-Function Adapters. Perfect for maintaining a reliable connection between your vehicle and trailer, these adapters are ideal for enthusiasts who need a straightforward, compact solution for their towing needs.

A 7 Round - Blade adapter ensures a secure and weather-resistant connection, reducing the risk of corrosion and maintaining reliable power to your trailer lights. It's a compact solution that eliminates the need for homemade adapters, making it perfect for those who frequently tow in various conditions.
Single-Function Adapters are ideal for those who need a simple, dedicated connection for specific trailer functions. They are easy to install and provide a direct link between your vehicle and trailer, ensuring that your lights and signals work seamlessly without the complexity of multi-function setups.
These adapters are designed to withstand tough conditions, such as heavily salted roads in winter. They offer a reliable connection that resists corrosion, ensuring your trailer lights remain functional even in challenging environments, making them a great choice for those in areas with harsh weather.
Yes, these adapters are versatile and can be used with various trailer types, including boat trailers and RVs. They provide a consistent connection, allowing you to easily switch between different trailers without needing multiple adapters, making them a convenient choice for multi-trailer owners.
Consider the length and compatibility with your vehicle and trailer. Ensure the adapter fits securely and check for features like LED indicators for connection status. A dust cover can also be beneficial to protect the connector when not in use, ensuring longevity and reliability.