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

Retail: $49.22
Our Price: $37.41
This heavy-duty, coiled cable adapter is compatible with a 7-way RV blade trailer socket on the vehicle and adapts it to work with a 4-wire flat connector on the trailer.Features: Heavy-duty, coiled cable Weatherproof jacketing Easy-grip connectors Tin-plated terminals for corrosion resistance Specs: 3' Cable when stretched 7-Way RV blade to 4-wire flat Flex Coil
  • 7 Blade to 4 Flat
  • Wiring Adapters
  • Universal Fit
  • Hopkins

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

Retail: $26.09
Our Price: $22.94
In Stock
Adapt the 7-way trailer socket on your vehicle to work with a 4-way or 5-way flat connector on the trailer. Adapter also provides a 12-volt power source outlet. Great for tailgating.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
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • Wiring Adapters
  • Universal Fit
  • Hopkins

TowSmart Trailer Connector Adapter w/ LED Illuminator - 7-Wire to 4-Wire Flat

Our Price: $14.42
In Stock
You're lining up the trailer in the driveway when you realize the plug doesn't match. No time to rewire. You grab the adapter, snap it into place, and the lights fire up. Quick fix, solid ...
Confirmation This adapter converts your vehicle's 7-way blade socket to a 4-way flat plug, allowing you to tow trailers with different wiring configurations. The built-in LED illuminator lights up when the
  • 7 Blade to 4 Flat
  • Wiring Adapters
  • Universal Fit
  • TowSmart

Bargman 7-Way Blade Trailer Wiring Harness - Molded Plug - Color-Coded Wires - 12'

Our Price: $85.17
You're double-checking lights before hitting the road, and everything works the first time. No fiddling, no corrosion, just plug in and go. That's one less worry before you tow. 12-Foot Harness Length: Gives you plenty of slack to reach your trailer's wiring Specs Connector Details: Type: 7-way blade Style: Blade Shape: Round Gender: Male Terminal Gender: Female Number of
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • Bargman

Wesbar Wishbone Wiring Harness with 4-Pole Flat Trailer Connector - Trailer End - 18" Long

Our Price: $15.87
In Stock
Wire your trailer with this universal, splice-in wiring harness so that you can connect the trailer's wiring to your vehicle's during towing. Wishbone design removes need for a jumper wire ...
Features: 4-Pole flat trailer-end connector plugs into the 4-way flat on your tow vehicle 2 Tail light wires of wishbone-style harness make wiring your trailer more efficient One tail light wire
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • Wesbar

TowSmart Trailer Connector - 4-Wire Flat Set - 12" Trailer - 48" Vehicle

Our Price: $10.57
In Stock
You're halfway through loading the trailer when your buddy shouts the lights aren't working. You check the plug. Wrong connector. No time to troubleshoot. You grab the harness, plug it in ...
Highlights 4-Way Flat Connector Set: Links vehicle and trailer lighting systems with ease. Pre-Wired Leads: 12" trailer end and 48" vehicle end for flexible routing. Color-Coded Wires
  • 4 Flat
  • Trailer Connectors
  • Trailer and Vehicle End Connector
  • TowSmart

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

Kristin
Kristin etrailer team member
Kristin etrailer team member

15

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589

Installations

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Customers Helped

Any questions? Chat us from Missouri

Pollak Heavy-Duty, 7-Pole, Round Pin, Trailer Wiring Connector - Trailer End

Retail: $29.58
Our Price: $14.46
In Stock
Establish a secure connection between your trailer and semi or other tow vehicle with this heavy-duty, 7-pole plug. Plug has round brass pins to ensure minimum voltage drop and pull grips for easy ...
gauge Blue - Auxiliary Circuit/ABS - 10 gauge 1-Year limited warranty 11-700 Pollak Heavy-Duty, 7-Way, Round Pin, Trailer Wiring Connector - Trailer End Replaces 52024 Note: Does not fit Pollak Cable
  • 7 Round
  • Trailer Connectors
  • Trailer End Connector
  • Pollak

Hopkins Wiring Harness with 4-Pole Flat Trailer Connector - Trailer End - 4' Long

Our Price: $6.29
In Stock
Wire your trailer with this universal, splice-in wiring harness so that you can connect the trailer's wiring to your vehicle's during towing. Corrosion-resistant terminals are long-lasting ...
Features: 4-Way flat trailer-end connector plugs into the 4-way flat on your vehicle Simple installation Hardwire to existing trailer wiring Corrosion-resistant terminals are long-lasting SAE
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • Hopkins

Pollak 5-Pole, Round Pin Trailer Wiring Connector - Chrome - Trailer End

Our Price: $18.64
In Stock
Establish a secure connection between your trailer and tow vehicle with this chrome-plated, 5-pole plug. Split brass pins ensure minimum voltage drop, and pull grips enable easy insertion and removal.Features: Standard, 5-pole plug connects trailer to socket on tow vehicle Round, split brass contacts Minimum voltage drop and maximum current capacity are ensured Dielectric (non-conducting) grease
  • 5 Round
  • Trailer Connectors
  • Trailer End Connector
  • Pollak

TowSmart 4-Way Flat Trailer Connector w/ Wire Tester - Trailer End - 24"

Retail: $10.99
Our Price: $9.73
In Stock
The trailer lights are flickering again. You've replaced bulbs, checked grounds, and still no luck. Time to swap the plug. This 4-way flat connector comes with a built-in tester and 24 inches of ...
Highlights 4-Way Flat Plug: Standard trailer-end connector. 24" Bonded Wire Lead: 18-gauge wire for stop, turn, and taillights. Built-In Wire Tester: Lets you verify light function during
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • TowSmart

Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring Connector - Metal - Trailer End

Retail: $14.04
Our Price: $9.54
In Stock
Establish a secure connection between your trailer and tow vehicle with this metal, 4-pole plug. Round brass pins ensure minimum voltage drop, and pull grips enable easy insertion and removal.Features: Heavy-duty, metal, 4-pole plug connects trailer to socket on tow vehicle Fits Pollak heavy-duty, 4-pole round pin wiring socket (PK11404) Does not fit Pollak heavy-duty, 4-pole, round pin
  • 4 Round
  • Trailer Connectors
  • Trailer End Connector
  • Pollak

Hopkins Endurance 5-Way Flat Trailer Wiring Kit - Vehicle and Trailer Ends - Ergonomic Design

Retail: $27.99
Our Price: $21.58
In Stock
The 5-wire design of this kit is perfect for newer boat trailers with hydraulic brakes. Easy-pull connector housings make disconnecting a snap. They include built-in mounting holes and protective ...
Features: Wiring kit includes vehicle-end connector and trailer-end connector 5-Wire design common on boat trailers with hydraulic brakes Provides backup function to release surge brakes Easy-pull
  • 5 Flat
  • Trailer Hitch Wiring
  • Universal Fit
  • Trailer and Vehicle End Connector
  • Splice-In
  • Hopkins
  • No Converter

6-Pole Square Trailer Wiring Connector Kit (Car and Trailer Ends)

Retail: $17.50
Our Price: $6.89
In Stock
6-Pole square trailer wiring connector kit Square design 6-pole Includes both male and female ends for car and trailer Wire leads on each trailer and vehicle end measures 11-3/4" Pigtail wires
  • 6 Square
  • Wiring Extensions
  • Universal Fit
  • Hopkins

Hopkins Wiring Harness with 4-Pole Flat Trailer Connector - Trailer End - 6' Long

Retail: $7.07
Our Price: $6.37
In Stock
Wire your trailer with this universal, splice-in wiring harness so that you can connect the trailer's wiring to your vehicle's during towing. Corrosion-resistant terminals are long-lasting. trailer wiring Corrosion-resistant terminals are long-lasting Specs: Harness length: 6' Wiring configuration: White: ground wire Yellow: left turn/brake light Green: right turn/brake light Brown: tail
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • Hopkins

2-Pole Trailer Wiring Connector - Trailer Side

Retail: $35.82
Our Price: $23.92
In Stock
Features: Pollak 2-Pole Trailer Connector Trailer Side Will accommodate 4 or 6 gauge wires Soldering required for installation Remove each terminal from plastic housing and solder each of the
  • 2 Pole
  • Trailer Connectors
  • Trailer End Connector
  • Pollak

Hopkins 4-Way Flat Trailer Wiring Kit - Vehicle and Trailer Ends

Our Price: $6.21
In Stock
The 4-wire design of this kit includes a 48" long vehicle wiring harness, a 12" trailer end wiring harness, and 6 quick-splice connectors.Features: Wiring kit includes vehicle-end connector and trailer-end connector 4-Wire design Nylon sleeves and heat-shrink tubing protect wires Includes 6 quick-splice connectors Specs: Connector
  • 4 Flat
  • Trailer Connectors
  • Trailer and Vehicle End Connector
  • Hopkins

Pollak Single-Pole, Round Pin Trailer Wiring Connector - Trailer End

Our Price: $42.60
In Stock
This single-pole, round pin plug provides auxiliary power from your vehicle battery to utility vehicles, winches, agricultural equipment and other applications. Rugged connector has a continuous-duty capacity of 300 amps., Round Pin Trailer Wiring Connector - Trailer End
  • 1 Round
  • Trailer Connectors
  • Trailer End Connector
  • Pollak

Curt 6-Pole Square Trailer Wiring Connector Loop - Vehicle and Trailer Ends

Retail: $12.95
Our Price: $9.59
In Stock
Use this Curt 6-way wiring connector to attach to your trailer or pop-up camper. The adapter is constructed of molded rubber and the 12" loop has 6-way square vehicle and trailer ends.Features: Wiring connector allows for quick, simple connection of your trailer or camper to your vehicle No cutting or splicing required One connector plugs into your vehicle Other end plugs into the
  • 6 Square
  • Wiring Extensions
  • Universal Fit
  • CURT

Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring Connector - Chrome - Trailer End

Retail: $21.15
Our Price: $8.25
In Stock
Establish a secure connection between your trailer and tow vehicle with this chrome-plated, 4-pole plug. Split brass pins ensure minimum voltage drop, and pull grips enable easy insertion and removal. High-impact, green insulators Specs: Fits Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring Socket (PK11410) Does not fit Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring Socket (PK11404) Plug diameter
  • 4 Round
  • Trailer Connectors
  • Trailer End Connector
  • Pollak

TowSmart Trailer Connector - 5-Wire Flat Set - 12" Trailer - 48" Vehicle

Retail: $21.99
Our Price: $19.67
In Stock
You're replacing the wiring on a trailer with surge brakes and want everything to work right the first time. This 5-wire flat set gives you the reverse lockout and all the lighting functions ...
Highlights 5-Wire Flat Connector Set: Includes both trailer and vehicle ends. 12" Trailer Lead: Short length for easy connection at the trailer end. 48" Vehicle Harness: Provides ample
  • 5 Flat
  • Trailer Connectors
  • Trailer and Vehicle End Connector
  • TowSmart

Pollak 6-Pole, Round Pin, Trailer Wiring Connector - Trailer End

Retail: $23.22
Our Price: $8.08
In Stock
Establish a secure connection between your trailer and tow vehicle with this 6-pole plug. Round brass pins ensure minimum voltage drop, and pull grips enable easy insertion and removal.Features: Standard, 6-pole plug connects trailer to socket on tow vehicle Round, floating, solid brass terminal pins Minimum voltage drop is ensured Coated with dielectric (non-conducting) grease
  • 6 Round
  • Trailer Connectors
  • Trailer End Connector
  • Pollak

TowSmart ProClass 7-Blade Trailer Connector w/ Wire Tester - Trailer End

Retail: $36.99
Our Price: $27.17
You're wiring up a trailer and need to know it's done right. This 7-way plug lights up to show which signals are live the second you connect. You crimp it, test it, and roll out knowing ...
Highlights 7-Blade Connector: Standard trailer-end plug for lights, brakes, and power. Built-In LED Tester: Confirms active signals during hookup. Screw Terminals: Accepts blunt-cut wires for easy
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • TowSmart

etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector

Our Price: $55.40
In Stock
This kit includes a junction box so you can quickly and easily connect the wires from the included trailer connector to your trailer's wiring.Features: Kit allows you to upgrade from a 4-way, 5-way, or 6-way connector to a 7-way connector Pre-wired, 7-way, blade-style, trailer-end connector lets you connect your trailer to your vehicle
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • etrailer

TowSmart 4-Wire Y-Harness Connector - Trailer End - 25' Ground

Retail: $19.99
Our Price: $15.03
In Stock
You're rewiring an old trailer and want to do it right. This 25-foot Y-harness lays in smooth, splitting left and right so you don't need jumper wires. Dual ground lines keep the lights ...
Highlights Wishbone Y-Harness: Splits wiring for easy routing down both sides. Dual Ground Wires: Ensures consistent grounding for reliable trailer lights. 25' Length: Ideal for longer trailers
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • TowSmart