Updated: 17 Feb 2025

trailer light extensions

Explore up to 27% Off

Updated: 17 Feb 2025

#1

Best Choice
Nilight - 50050R 7-Way Trailer Plug Socket Extension Cable 3FT Long 10-14 AWG Double-Prong Copper Terminals/Wires for 7-Blade Trailer Wiring Connector Cord, 2 Years Warranty

9.8

Nilight

-27%

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Main highlights

TRUCK BED EXTENSION: This trailer wiring harness is designed to be an extension of the existing tow wiring of your truck, plugging into a 7-way RV blade socket for connecting 5th wheel wiring or gooseneck wiring.

PLUG-N-PLAY VERSATILITY: Extra secure double-prong terminals makes this cable an excellent plug-n-play extension for your existing trailer harness without permanent installation.

DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of the 7-pin socket is made from durable molded black plastic and has a spring-loaded dust cover to protect the connection points.

-27%
#2

Value for Money
MaxxHaul 70086 7-Way Round to 4-Way Flat Trailer Plug Adaptor with 18 Inch Flexible Cable Which Extends To 36 Inches , Red

9.7

MAXXHAUL

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Main highlights

Eliminates the Need for Multiple Plugs and Adapters to Tow Various Vehicles

Brass Connectors Enables for Solid Electrical Conductivity

7-Way to 4-Way Adaptor Does the Job of Otherwise Multiple Plugs and Adaptors
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#3
Seamaka 4 Way Flat Trailer Extension Coiled Cable, 4 Pin Trailer Wire Extension Harness Male and Female Stretchable Coiled with Dust Cover 36"/3 FT 18 Guage O-P-045-1m

9.6

Seamaka

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Main highlights

Scope of application: Suitable for marine trailers, horse-drawn trailers, motorcycle trailers, ATV trailers and other multi-purpose freight trailers

Product specification: Wire specification: 18AWG, the total length is 3.2 feet (39.4 inches) when fully unfolded, and the normal working length should be about 28 inches

Design features: The coiled design can prevent the wire from being dragged, but still allow the extra length required for the trailer to turn sharply. The stretchable coil wire provides enough space and flexibility for towing the vehicle and trailer
#4
Saihisday 4 Pin Trailer Plug Extender Trailer Wire Extension Harness 28" 2.3Feet

9.5

Saihisday

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Main highlights

Your Choose: Perfect for RVs, trucks, trailers, campers, caravans, food vans, boat trailer, etc

Exquisite Workmanship: Coiled cable 2.3 feet 4 Pin wire flat adapter comes with the fully jacketed cable harness, protecting inner wires from the bad weather and hazardous road conditions

4 Way Flat Trailer Txtension Easy To Install: 4 way connector with fully jacketed cable 18 Guage wires, fit for any types of trailers
#5
Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender

9.4

Mosleyz

-20%

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Why we love it

4 pin design for LED lights

Safe durable insulation

Waterproof dustproof case

Main highlights

Key Features
Special design for LED lights, with premium silicone housing for safety and durability. Waterproof, dustproof, and easy-to-identify 18 AWG color-coded wires.

Ideal Use Cases
Perfect for various vehicles such as trailers, trucks, motorcycles, and ATVs, enhancing safety and functionality in tailgate light bars and other applications.

Customer Praise
Customers highly appreciate the harness`s ease of installation and the reliability of the waterproof and dustproof design, ensuring long-term use.

-20%
#6
Prutomr 4 Way Flat Trailer Light Wiring Extension 4.5Ft 55 In, Stretchable Coiled Cable Hitch Plug With Sealed Cap, Hefty Outer Sheath Cooper Wire Harness, Quick-Connect 4 Pin Trailer Adapter Extender

9.3

Prutomr

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Main highlights

【Safe and Reliable】The standard 4-pin wiring harness ensure all your lights function correct. Fit nicely, make secure connections at male and female ends. Firm and heavy duty plug end, tight fit plugging in. won't come apart easily.

【Handy to Tough and Durable】Pure Cooper wire with great conductivity, enclosed in thick and insulated outer polymer sheath. Nice bend protectors on each end. Sturdy connection prongs, tightly sealed with dust cap. Well constructed extender, waterproof and UV resistance, will last a long time.

【Handy to Have】Perfect for extending trailer wire plug in. Easy extension, plug and go. Protective cap seal well on one end, just leave it plugged into the trailer. Enjoy the quick connect, No more lying on the ground to plug in! Coil designed makes it easy to tuck up out of the way when not in use and pull out when needed, makes everything clean and neat.
#7
Oyviny 4 Pin Flat Trailer Extension 12 inch, Vehicle-Side and Trailer-Side 4 Way Connector with Rubber Dust Cover 16 AWG Pure Copper Wire Loom Tubing Protection, 4 Flat Trailer Wire Extension

9.2

Oyviny

-10%

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Why we love it

4 Way Connection: Easily extend trailer lights wiring.

Protection: Dust cover and nylon netting for durability.

Plug Play: No cutting or splicing needed.

Main highlights

Key Features
Plug&Play design, high-quality 16AWG Pure Copper Wires, and protective rubber dust covers ensure durability and ease of use.

Ideal Use Cases
Perfect for extending wiring on boat, utility, and horse trailers with a 4-way flat plug connection requirement.

Customer Praises
Most reviews highlight its durable construction and the stable, reliable connection it provides for trailer lighting systems.

-10%
#8
MECMO 4-Pin Flat Trailer Extension Cable 12 inch, Heavy Duty 18AWG Copper 4 Way Trailer Wiring Connector Harness Vehicle-Side Trailer-Side 4 Prong Trailer Light Plug Trailer Hitch Wire Extension 1ft

9.1

MECMO

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Main highlights

Trailer-Side and Vehicle Side 4 Pin: - This 4 way trailer wire extension fits wide variety of vehicles and trailers with 4-way flat connctor；4 pin 4 wire trailer extension is 12 Inches long, Perfect for used at marine boat trailer, horse trailer, motorcycle trailer, ATV trailer, and other cargo utility trailer hitches

Plug and Play Trailer Light Plug: - Trailer 4 wire extension cable cord require No cutting or splicing factory wire, flexible trailer 4-pin conversion cable provide plug-in simple connections for your towing projects

12" Trailer Extension 4 Prong: - The 12inch (1 foot) 4-pin flat trailer wiring extension cord come with 4pin male and femle end connector can be easily extend your vehicle trailer light wire
#9
Ruibapa 4-Way Flat Trailer Plug Extension Coiled Cable 36" 4 pin Male and Female Trailer Cable with Dust Cover 18 AWG

8.9

Ruibapa

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Main highlights

Wire gauge: 18 AWG, wire length: 28 "=72 cm（not pull straight lenght）

Application: 4 pin bus-trailer harness adapter is suitable for trucks, trailers, RVs, campers, motorcycles, ATV trailer, etc

4 pin wire flat adapter is easy to use, plug and play, and equipped with rubber dust cap, which can prolong its service life in order to protect the connector from the weather
#10
Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected

8.8

Oyviny

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Main highlights

Sturdy Construction: Molded 4 pin trailer connector wiring is made of Pure Copper wires, Brass and Tin-Plated terminal ensure great conductivity; Standard 4 pin female connector equipped with a rubber dust cover to protect the connector from dust and water

Coiled Design: The coil design makes the wire does not drag but yet allows for the extra length needed for tight turns with a trailer, stretchable coiled wire keeps memory and effectively weatherproof

4 Pin Trailer Extension: 4 pin trailer wiring harness is suitable for any types of trailers including marine boat trailer, horse trailer and other cargo utility trailers as long as it has a 4-way trailer connection; Note: The designed length of this coiled cable is 3ft(36 inches), while the normal working length should be about 28 inches, please confirm the length you need before ordering

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trailer light extensions

Nilight - 50050R 7-Way Trailer Plug Socket Extension Cable 3FT Long 10-14 AWG Double-Prong Copper Terminals/Wires for 7-Blade Trailer Wiring Connector Cord, 2 Years Warranty

9.8

Main highlights

MaxxHaul 70086 7-Way Round to 4-Way Flat Trailer Plug Adaptor with 18 Inch Flexible Cable Which Extends To 36 Inches , Red

9.7

Main highlights

Seamaka 4 Way Flat Trailer Extension Coiled Cable, 4 Pin Trailer Wire Extension Harness Male and Female Stretchable Coiled with Dust Cover 36"/3 FT 18 Guage O-P-045-1m

9.6

Main highlights

Saihisday 4 Pin Trailer Plug Extender Trailer Wire Extension Harness 28" 2.3Feet

9.5

Main highlights

Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender

9.4

Why we love it

Main highlights

Prutomr 4 Way Flat Trailer Light Wiring Extension 4.5Ft 55 In, Stretchable Coiled Cable Hitch Plug With Sealed Cap, Hefty Outer Sheath Cooper Wire Harness, Quick-Connect 4 Pin Trailer Adapter Extender

9.3

Main highlights

Oyviny 4 Pin Flat Trailer Extension 12 inch, Vehicle-Side and Trailer-Side 4 Way Connector with Rubber Dust Cover 16 AWG Pure Copper Wire Loom Tubing Protection, 4 Flat Trailer Wire Extension

9.2

Why we love it

Main highlights

MECMO 4-Pin Flat Trailer Extension Cable 12 inch, Heavy Duty 18AWG Copper 4 Way Trailer Wiring Connector Harness Vehicle-Side Trailer-Side 4 Prong Trailer Light Plug Trailer Hitch Wire Extension 1ft

9.1

Main highlights

Ruibapa 4-Way Flat Trailer Plug Extension Coiled Cable 36" 4 pin Male and Female Trailer Cable with Dust Cover 18 AWG

8.9

Main highlights

Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected

8.8

Main highlights

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