bing tracking image
Customer Service My Orders

  1. Home
  2. Trailer Parts
  3. Trailer Wiring

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

FiltersFilters
2
Filters: Multi-Function Adapter
7 Round - Blade Clear all


7-Way to 4-Way/5-Way Trailer Adapter for Vehicles with Lamp-Out Sensors Towing Trailers with LEDs - 7 Round - Blade
CURT Trailer Wiring

(109 reviews)


Code: C35FR

Retail: $28.95
Our Price: $20.27
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 7 Round - Blade
  • Plug Only
  • 5 Flat
  • 4 Flat
  • CURT


...Features: 7-Way RV style adapter to 4-pole and 5-pole flat trailer connectors Designed for use on vehicles with Trailer Lamp-Out sensors - such as Audi, Mercedes-Benz, Porsche, and Volkswagen...

More Information >



Wesbar Adapter - 7-Way RV to 4-Way or 5-Way Flat - 18" Long - 7 Round - Blade
Wesbar Trailer Wiring

(79 reviews)


Code: 707250

Retail: $49.88
Our Price: $29.75
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 4 Flat
  • 5 Flat
  • Wesbar


...Features: Adapter converts the 7-pole, blade-style, connector on your vehicle for use with the 4-way or 5-way flat connector on your towed vehicle or trailer Overall length: 18" 1-Year limited...

More Information >



Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way - 7 Round - Blade
Hopkins Trailer Wiring

(189 reviews)


Code: HM47570

Retail: $34.67
Our Price: $29.99
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 7 Round - Blade
  • Plug Only
  • 6 Round
  • 5 Flat
  • 4 Flat
  • Hopkins


...Features: Trailer adapter changes your vehicle's 7-blade connector to a 6-pole 4-Pole and 5-pole flat connectors also built in Quick-Change plug on 6-pole terminal accommodates both 6-pole...

More Information >



Hopkins Endurance, Flex-Coil Trailer Connector Adapter - 7-Way to 5-Way or 4-Way Flat with Nite-Glow - 7 Round - Blade
Hopkins Trailer Wiring

(63 reviews)


Code: HM47075

Retail: $54.69
Our Price: $46.00
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 4 Flat
  • 5 Flat
  • Hopkins


...Features: Heavy-duty, coiled cable Weatherproof jacketing Easy-grip connectors Tin-plated terminals for corrosion resistance Nite-Glow illuminates on taillight function to verify continuity Specs...

More Information >



Adapter 7-Pole to 4-Pole and 5-Pole - 7 Round - Blade
Hopkins Trailer Wiring

(120 reviews)


Code: 37385

Our Price: $31.94
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 7 Round - Blade
  • Plug Only
  • 4 Flat
  • 5 Flat
  • Hopkins


...Features: Wiring Adapter - converts the 7-way trailer connector on the vehicle to a 4-way or 5-way connector to match the trailer If your truck has the connector on the left, and your trailer has one...

More Information >


Explore Expert Info Our Expert
on Trailer Wiring

Videos

for Trailer Wiring

Help Articles

for Trailer Wiring

Expert Answers

for Trailer Wiring


Hopkins Multi-Tow Trailer Connector Adapter - 7-Way to 5-Wire Flat/4-Wire Flat and 12-V Power Socket - 7 Round - Blade
Hopkins Trailer Wiring

(116 reviews)


Code: HM47675

Retail: $29.20
Our Price: $22.48
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 7 Round - Blade
  • Plug Only
  • 5 Flat
  • 4 Flat
  • 12 Volt
  • Hopkins


...Features: Versatile adapter and power socket Adapts from a 7-way RV blade trailer connector on the vehicle Provides a 5-wire flat, 4-wire flat and a 12-volt power socket Covers included to protect...

More Information >



Hopkins Endurance Flex Trailer Connector Adapter w/ LED Circuit Tester - 7-Pole to 4-Pole or 5-Pole - 7 Round - Blade
Hopkins Trailer Wiring

(20 reviews)


Code: HM47390

Retail: $30.90
Our Price: $22.94
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 4 Flat
  • 5 Flat
  • Hopkins


...Features: Adapter converts your 7-pole, blade-style, vehicle-end connector to a 4- or 5-wire flat connector Integrated circuit tester with red LEDs lets you know when wiring is functioning properly...

More Information >



Reese Trailer Connector Adapter w/ LED Circuit Tester and Dust Cover - 7-Pole to 4-Pole or 5-Pole - 7 Round - Blade
Reese Trailer Wiring

(84 reviews)


Code: 78118

Retail: $31.30
Our Price: $28.21
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 7 Round - Blade
  • Plug Only
  • 4 Flat
  • 5 Flat
  • Reese


...Features: Easy-to-use, plastic adapter converts your vehicle's 7-blade, RV-style, vehicle-end connector for use with a 4-wire or 5-wire flat, trailer-end connector Circuit tester with highly...

More Information >



Adapter 7-Pole to 6-Pole and 4-Pole with Cover - Universal - Center Pin Brake - 7 Round - Blade
Hopkins Trailer Wiring

(23 reviews)


Code: 37575

Retail: $26.39
Our Price: $24.30
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 7 Round - Blade
  • Plug Only
  • 6 Round
  • 4 Flat
  • Hopkins


...Adapter converts your 7-pole plug on the vehicle down to 6-pole plug and 4-pole flat plug to fit your trailer's connector. Note: Center pin is set up as the brake but can easily be changed to...

More Information >



Contact and Help
Customer Service Contact Us My Orders About Us Privacy Policy
Trailer Wiring Help Trailer Wiring Videos
Your Account Login
What our customers are saying:
Very easy process, good prices and my products were shipped on time and were delivered on time. The instructional videos online helped make installation easy!
Ryan
Portland, OR

Versatile Trailer Wiring Solutions with 7 Round - Blade and Multi-Function Adapters

Explore the flexibility of 7 Round - Blade trailer wiring with multi-function adapters. Perfect for enthusiasts needing reliable connections for various trailer types, these adapters ensure seamless compatibility and easy troubleshooting. Ideal for LED tail lights and diverse towing setups.

These adapters offer a robust solution for connecting different trailer types, ensuring compatibility with LED lights and various wiring configurations. They simplify the process of switching between trailers with different pin setups, making them a must-have for diverse towing needs.
Multi-function adapters provide the flexibility to connect multiple trailer types, from pop-up campers to boat trailers. They often include features like quick-change plugs, making it easy to adapt to different wiring needs without hassle, ensuring all lights and signals work perfectly.
Absolutely! Many find these adapters invaluable for troubleshooting, as they can quickly identify if issues are on the vehicle or trailer side. This saves time and effort, allowing you to focus on the right area for repairs, ensuring a smooth towing experience.
Yes, they are perfect for vehicles with LED trailer lights, which can sometimes cause recognition issues. These adapters ensure proper connection and functionality, allowing your vehicle to recognize and power LED lights without any problems.
These adapters are built to last, withstanding frequent plugging and unplugging. They are designed for durability, making them reliable for regular use and even sharing among family members. Their robust construction ensures they hold up well over time.