bing tracking image
Customer Service My Orders

  1. Home
  2. Trailer Parts
  3. Trailer Wiring
  4. Wiring Adaptersx
  5. Single-Function Adapterx

Trailer Wiring - Wiring Adapters, Single-Function Adapter

Filter ResultsFilter Results
  


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

(84 reviews)


Code: TLW6048

Our Price: $130.90
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Blade
  • TorkLift


...Features: Extends your truck's 7-way RV-style trailer connector back to clear your bed-mounted camper One end of wiring harness plugs into your existing 7-way Other end of harness has 7-way port...

More Information >



Hopkins Plug-In Trailer Connector Adapter - 4-Way Flat to 7-Blade - Single-Function Adapter
Hopkins Trailer Wiring

(14 reviews)


Code: HM54RV

Retail: $42.11
Our Price: $26.09
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 4 Flat
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...Features: Allows you to use your existing 4-flat wiring harness with a 7-way plug on a trailer Great for if you borrow a trailer with a 7-way and only have a 4-way on your vehicle Gives you all of...

More Information >



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

(70 reviews)


Code: FHG56ZR

Our Price: $13.75
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 4 Flat
  • 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...

More Information >



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

(222 reviews)


Code: A57CCB

Retail: $76.48
Our Price: $71.16
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Blade
  • Plug and Lead
  • 5 Flat
  • 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...

More Information >



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

(25 reviews)


Code: TLW6060

Retail: $160.98
Our Price: $130.90
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Blade
  • TorkLift


...Features: Extends your truck's 7-way RV-style trailer connector back to clear your bed-mounted camper One end of wiring harness plugs into your existing 7-way Other end of harness has 7-way port...

More Information >


Explore Expert Info Our Expert
on Trailer Wiring

Videos

for Trailer Wiring

Help Articles

for Trailer Wiring

Expert Answers

for Trailer Wiring


Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter - Single-Function Adapter
Tow Ready Trailer Wiring

(257 reviews)


Code: 20036

Retail: $25.91
Our Price: $15.94
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 4 Flat
  • Plug and Lead
  • 5 Flat
  • Tow Ready


...Features: Length of harness: 20" Length of blue wire: 60" The blue wire gets spliced into the reverse light wire on the vehicle which is easily done with the included quick splice wire...

More Information >



Pollak Trailer Connector Adapter - Vehicle End - 7-Pole Round to 7-Way Blade - Single-Function Adapter
Pollak Trailer Wiring

(175 reviews)


Code: PK12-724

Retail: $50.39
Our Price: $31.25
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Round
  • Plug and Lead
  • 7 Round - Blade
  • Pollak


...Features: Adapter converts your 7-way, round-pin vehicle-end connector for use with a 7-way, RV-style trailer-end connector Lets you tow a trailer with a 7-way blade plug Works with any RV-style...

More Information >



Pollak 7 Pole to 4 Way Connector Adapter - Single-Function Adapter
Pollak Trailer Wiring

(997 reviews)


Code: PK12716

Retail: $20.74
Our Price: $7.78
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Blade
  • Plug Only
  • 4 Flat
  • 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...

More Information >



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

(14 reviews)


Code: OPT42ER

Our Price: $90.94
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Blade
  • Plug and Lead
  • 5 Flat
  • Optronics


...Features: Converts a tow vehicle's 7-pole wiring connection to a 5-pin Delphi trailer connection and a 2-pin camera connection for towing trailers with a backup camera Handle grip on 7-way plug...

More Information >



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

(35 reviews)


Code: TLW6042

Retail: $151.12
Our Price: $130.90
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Blade
  • TorkLift


...Features: Extends your truck's 7-way RV-style trailer connector back to clear your bed-mounted camper One end of wiring harness plugs into your existing 7-way Other end of harness has 7-way port...

More Information >



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

(185 reviews)


Code: HM47065

Retail: $47.93
Our Price: $37.49
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 4 Flat
  • 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....

More Information >



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

(16 reviews)


Code: TLW6032

Retail: $144.38
Our Price: $111.33
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 31 Feet and Longer
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Blade
  • TorkLift


...Features: Extends your truck's 7-way RV-style trailer connector back to clear your bed-mounted camper One end of wiring harness plugs into your existing 7-way Other end of harness has 7-way port...

More Information >



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

(50 reviews)


Code: F77R

Our Price: $53.41
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Round
  • 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...

More Information >



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

(11 reviews)


Code: TLW6548

Our Price: $235.65
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 6 - 10 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Blade
  • TorkLift


...Features: Makes it easy to connect wiring on your truck bed camper and your trailer to your vehicle Plug wiring harness into your existing 7-way trailer connector Run (1) 7-way socket back to clear...

More Information >



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

(72 reviews)


Code: PK12727

Retail: $52.12
Our Price: $41.19
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Round
  • 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...

More Information >



Adapter 7 Pole to 5 Pole Flat Wired Adapter - Single-Function Adapter
Optronics Trailer Wiring

(163 reviews)


Code: A57WB

Retail: $34.52
Our Price: $15.15
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 5 Flat
  • 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...

More Information >



Buyers Products 6-Way Round to 7-Way Blade RV Adapter with 8" Prewired Cable - Single-Function Adapter
Buyers Products Trailer Wiring

(26 reviews)


Code: 337TC1067P

Retail: $34.68
Our Price: $19.94
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 6 Round
  • Plug and Lead
  • 7 Round - Blade
  • Buyers Products


More Information >



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

(27 reviews)


Code: TLW6021

Retail: $117.60
Our Price: $111.33
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Blade
  • TorkLift


...Features: Extends your truck's 7-way RV-style trailer connector back to clear your bed-mounted camper One end of wiring harness plugs into your existing 7-way Other end of harness has 7-way port...

More Information >



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

(82 reviews)


Code: 47549

Retail: $31.98
Our Price: $16.25
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Blade
  • Plug Only
  • 6 Round
  • 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...

More Information >



Hopkins Heavy-Duty, Coiled Trailer Connector Adapter - 7-Way to 6-Pole Round - Center Pin 12V Power - Single-Function Adapter
Hopkins Trailer Wiring

(29 reviews)


Code: HM47083

Retail: $82.05
Our Price: $58.32
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 6 Round
  • Hopkins


...Adapter works with trailers where the center pin is used for 12-volt power Flex Coil Adapters provide increased durability and the additional length that may be necessary to reach between the tow...

More Information >


Explore Expert Info Our Expert
on Trailer Wiring

Videos

for Trailer Wiring

Help Articles

for Trailer Wiring

Expert Answers

for Trailer Wiring


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

(18 reviews)


Code: TLW6028

Retail: $142.98
Our Price: $111.33
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 0 - 5 Feet Long
  • 7 Round - Blade
  • Plug and Lead
  • 7 Round - Blade
  • TorkLift


...Features: Extends your truck's 7-way RV-style trailer connector back to clear your bed-mounted camper One end of wiring harness plugs into your existing 7-way Other end of harness has 7-way port...

More Information >



Trailer Connector Adapter - EZ Connector to 7-Way RV - Vehicle End - Single-Function Adapter
EZ Connector Trailer Wiring

(48 reviews)


Code: 319-R7-52

Our Price: $49.99
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Contact
  • Plug Only
  • 7 Round - Blade
  • EZ Connector


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

More Information >



Adapter 6-Pole to 7-Pole Trailer Wiring Adapter - Single-Function Adapter
Hopkins Trailer Wiring

(122 reviews)


Code: 47435

Our Price: $21.50
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 6 Round
  • Plug and Lead
  • 7 Round - Blade
  • Hopkins


...Adapter converts 6-way wiring connector on your vehicle to 7-way flat connector for trailers...

More Information >



Trailer Connector Adapter for Land Rover - 7-Way, Round Pin, European Style to 4-Way Flat - Single-Function Adapter
Tow Ready Trailer Wiring

(95 reviews)


Code: 118710

Retail: $33.99
Our Price: $31.57
In Stock
  • Trailer Wiring
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Round
  • Plug and Lead
  • 4 Flat
  • Tow Ready


...Features: Adapter converts your Land Rover 7-way, European-style, round-pin vehicle-end trailer connector with combined turn signals and brake lights to a 4-way flat connector Fast, easy plug-in...

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:
I ordered this merchandise on one day and by the time I went home from work on the next day it was in my driveway. Amazing service.
Mike
St. Louis, MO


  Filter Results


Optimize Your Trailer Connections with Single-Function Wiring Adapters

Single-function wiring adapters are essential for seamless trailer connections. Perfect for those needing a straightforward solution, these adapters ensure your trailer's lights and charging systems work flawlessly. Ideal for campers, motorhomes, and more, they offer a reliable connection without the need for complex installations.

Single-function wiring adapters provide a simple and effective way to connect your trailer's electrical system. They ensure that lights and charging systems function as intended, making them perfect for straightforward setups like campers and motorhomes. These adapters are easy to use and often require minimal installation effort.
While some single-function adapters may not be fully weatherproof, they are generally designed to withstand typical outdoor conditions. It's advisable to check for any open ends that might allow water seepage and consider additional sealing if necessary. For those frequently exposed to harsh weather, investing in a more robust, weatherproof model might be beneficial.
Yes, single-function adapters are versatile and can be used with various trailer types, including campers and motorhomes. They are designed to fit standard connections, making them a flexible choice for different setups. However, always ensure compatibility with your specific trailer's wiring system before purchase.
When installing a single-function adapter, ensure that the connections are secure and fit snugly to prevent disconnection. If the provided hardware seems insufficient, consider using more robust screws for a secure mount. Also, check the adapter's fit with your vehicle's existing wiring to avoid any installation issues.
Some common issues include poor fitting connectors and non-weatherproof designs. It's important to ensure that the adapter fits well with your vehicle's wiring and to consider additional sealing for weather protection. If the adapter's pins are flimsy, handle with care to avoid bending or breaking.