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

Our Price: $53.42
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
  • Trailer Connectors
  • Junction Box
  • Trailer End Connector
  • 7 Round - Blade
  • 6 - 10 Feet Long
  • etrailer

7-Way Molded Trailer Wire Connector, 6' Long

Retail: $65.42
Our Price: $47.56
In Stock
Trailer Connector RV Style 7-Way Blade with 6' lead Pre-wired 7-Way Trailer Connector Measures 6 feet long including connector Wire gauges: 14 Gauge - red, brown, green, and yellow 12 Gauge -
  • Trailer Connectors
  • Trailer End Connector
  • 7 Round - Blade
  • 6 - 10 Feet Long
  • Hopkins

7-Way Molded Trailer Wire Connector, 4' Long

Retail: $60.39
Our Price: $40.07
Trailer Connector RV Style 7-Way Blade with 4' lead Pre-wired 7-Way Trailer Connector Measures 4 feet long including connector Wire gauges: 14 Gauge - red, brown, green, and yellow 12 Gauge -
  • Trailer Connectors
  • Trailer End Connector
  • 7 Round - Blade
  • 0 - 5 Feet Long
  • Hopkins

Hopkins 7-Way Blade Style Connector with Molded Cable - Trailer End - 8' Long - Auto Standard

Our Price: $83.84
In Stock
Replace your damaged 7-way, blade-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are auto-industry standard.Features: Pre-wired, 7-way, blade-style, trailer-end connector allows you to connect your trailer to your vehicle Easy-to-grip tabs allow for simple plug in and disconnect Flexible cable allows for
  • Trailer Connectors
  • Trailer End Connector
  • 7 Round - Blade
  • 6 - 10 Feet Long
  • Hopkins

Trailer Wiring Junction Box - 7 Color Coded Terminals - ABS

Our Price: $9.60
In Stock
Color coded terminals in the ABS box provides a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's ...
  • Trailer Wiring
  • Junction Box
  • Buyers Products

Trailer Wiring Junction Box - 7 Terminals - Polypropylene

Retail: $29.12
Our Price: $14.92
In Stock
Durable polypropylene box creates a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's connector ...
  • Trailer Wiring
  • Junction Box
  • Buyers Products

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.

John
John etrailer team member
John etrailer team member

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Trailer Wiring Junction Box

Retail: $30.64
Our Price: $27.58
In Stock
This Spectro trailer wiring junction box provides a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your ...
Features: 7-Terminal junction box lets you easily connect your trailer wiring to a 6-way or 7-way trailer connector (sold separately) Weatherproof, heavy-duty plastic protects wires and terminals
  • Trailer Wiring
  • Junction Box
  • Spectro

Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard

Retail: $52.29
Our Price: $46.90
In Stock
Replace your damaged 7-way, RV-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are RV standard.Features: Pre-wired, 7-way, blade-style, trailer-end connector allows you to connect your trailer to your vehicle Easy-to-grip tabs allow for simple plug in and disconnect Flexible cable allows for
  • Trailer Connectors
  • Trailer End Connector
  • 7 Round - Blade
  • 6 - 10 Feet Long
  • Hopkins

Bright Way Trailer Breakaway Kit with Charger, LED Tester, and 5 Ah Battery - Side Load

Our Price: $60.98
In Stock
LED tester lets you easily check the battery's charge. Built-in charger pulls just enough power from your vehicle when your trailer is hooked up to make sure your breakaway battery stays charged and ready to go in case a disconnect ever occurs. case Lid can be secured with padlock (sold separately) to deter battery theft Wiring diagram is printed on the battery box lid Rubber O-ring in the lid helps keep water out of the box Drain holes in the
  • Kit with Charger
  • Side Load
  • 5 Ah
  • Single-axle
  • Tandem-axle
  • 1 Amp Charger
  • Bright Way
  • LED Tester

Hopkins Engager Trailer Breakaway Kit w/ Charger, LED Tester, Hardware, and 5 Ah Battery - Top Load - 20400

Retail: $81.99
Our Price: $69.64
In Stock
The built-in charger in this kit keeps the battery charged and ready to bring your single-axle or tandem axle trailer to a complete stop should it become disconnected from your vehicle. LED tester lets you easily check the battery's charge. durable, plastic case Includes breakaway switch, charger, battery, battery box, and wiring Specs: Application: single- and tandem-axle trailers with electric brakes Battery: Voltage: 12V Type: lead acid
  • Kit with Charger
  • Top Load
  • Single-axle
  • Tandem-axle
  • Hopkins
  • LED Tester

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

Retail: $22.43
Our Price: $11.03
In Stock
Establish a secure connection between your trailer and semi or other tow vehicle with this 7-pole, solid pin, wire-insertion-style socket. Zinc die-cast socket is self-grounding and includes ...
gauge 1-Year limited warranty 11-720 Pollak Heavy-Duty, 7-Way, Round Pin Trailer Wiring Socket - Vehicle End Replaces 52016
  • Trailer Connectors
  • Vehicle End Connector
  • 7 Round - Round
  • Pollak

Trailer Wiring 7-Way Upgrade Kit

Our Price: $88.02
In Stock
This kit contains everything you need to upgrade from a 4-way, 5-way, or 6-way connector to a 7-way connector. Includes 7-way RV-style trailer connector, junction box, wire loom, and hardware. easy connections Wire loom protects wiring from the elements and allows wires in and out along any point of the loom for easy installation Includes: (1) 7-Way trailer connector 1 Wiring junction box with
  • Trailer Wiring
  • Junction Box
  • etrailer

etrailer Trailer Wiring Junction Box - 7 Terminal

Our Price: $16.25
This trailer wiring junction box provides a fast, easy way to connect your trailer's wiring to either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.Features: 7-Terminal junction box lets you easily connect your trailer wiring to a 6-way or 7-way trailer connector (sold separately) Eases connector installation, and makes diagnostics simple
  • Trailer Wiring
  • Junction Box
  • etrailer

Hopkins Endurance Multi-Tow 4-Way Flat to 7-Way RV Trailer Adapter w/ 4-Way Vehicle End Plug

Our Price: $52.30
Adapt a 4-way flat to a 7-way RV-style socket while still retaining use of the 4-way. Or simply replace a damaged 7-way connector. Plug into tow package for 7-way, or plug into existing 4-way and ...
Features: 7-Blade, RV-style trailer connector lets you connect your trailer's wiring to your vehicle Either serves as a replacement for a damaged 7-way socket or an adapter that changes your
  • Wiring Adapters
  • Multi-Function Adapter
  • 4 Flat
  • 7 Round - Blade
  • 4 Flat
  • Hopkins

Curt Trailer Breakaway Kit with Trickle Charger, LED Tester, and 5 Ah Lead Acid Battery - Side Load - C52042

Retail: $102.95
Our Price: $63.48
In Stock
Lead-acid batteries require no maintenance, which is why we love this kit. The built-in charger keeps the battery charged and ready to bring your single-, tandem-, or triple-axle trailer to a complete stop. LED tester lets you check the charge. from rain and debris with durable, plastic case Lid can be secured with padlock (sold separately) to deter battery theft Includes breakaway switch, charger, Lead-acid battery, battery box, wiring, and
  • Kit with Charger
  • Side Load
  • Single-axle
  • Tandem-axle
  • Triple-axle
  • CURT
  • LED Tester

Bright Way Trailer Breakaway Kit with 0.5-Amp Charger and 5 Ah Battery

Our Price: $61.00
In Stock
This complete breakaway kit brings your trailer to a safe stop by activating the brakes if the trailer completely separates from the tow vehicle. Built-in charger automatically charges the included battery while your trailer is connected. Convenient wiring diagram is printed on the box Kit includes breakaway switch, 0.5-amp charger, 5-amp-hour battery, battery box, and wiring Specs: Application: single-axle or tandem-axle trailers with electric
  • Kit with Charger
  • 5 Ah
  • Tandem-axle
  • Single-axle
  • .5 Amp Charger
  • Bright Way

Pollak 10-Terminal Junction Box

Retail: $70.10
Our Price: $55.59
In Stock
This junction box provides a quick and easy way for you to connect the trailer plug to the trailer wiring. The box also makes your trailer connector simple to replace.Features: Provides quick and easy way to wire trailer plug to trailer wiring Allows simple replacement of trailer connector Has black, ABS plastic construction Specs: Box dimensions: 7.5" long x
  • Trailer Wiring
  • Junction Box
  • Pollak

Pollak 7-Circuit-Breaker Junction Box

Our Price: $55.31
This circuit breaker junction box provides a neat, clean way to mount multiple circuit breakers to the firewall of your vehicle. Junction box has space for seven separate circuit breakers.Features: Junction box for studded circuit breakers Provides neat, clean mounting point for multiple circuit breakers Has space for 7 studded circuit breakers Includes bus bar to dissipate heat
  • Trailer Wiring
  • Junction Box
  • Pollak

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

Retail: $34.67
Our Price: $29.99
In Stock
Heavy-duty trailer adapter features a unique Quick-Change wiring plug that lets you switch between 6-way wiring codes quickly and easily. Outlet for 4-way and 5-way plugs is also built in. Terminals ...
adapter not only changes your vehicle's connector from a 7-way RV blade to a 6-way, 5-way or 4-way, it also has a patented Quick-Change wiring plug to accommodate both 6-pole wiring codes. Just remove
  • Wiring Adapters
  • Multi-Function Adapter
  • 4 Flat
  • 5 Flat
  • 6 Round
  • 7 Round - Blade
  • Hopkins

Adapter 4-Pole to 7-Pole and 4-Pole

Our Price: $59.13
In Stock
Adapter converts from 4 pole wiring on vehicle to 7-pole round plug and 4-pole flat. Additional wire leads for brake, power and accessory.Features: Adapter converts from 4-pole wiring on your vehicle to 7-pole round plug and 4-pole flat wiring for trailer side Adds additional wire leads for brakes, power, and accessory wiring Wire
  • Wiring Adapters
  • Multi-Function Adapter
  • 4 Flat
  • 7 Round - Blade
  • 4 Flat
  • Hopkins

Hopkins 7-Way Molded Trailer Wire Connector - 11' Long

Our Price: $60.94
In Stock
This molded, 7-way, RV-style, trailer-end connector lets you replace a damaged wiring harness on your trailer.Features: 7-Way trailer-end connector lets you replace a damaged wiring harness on your trailer Pre-wired to ease installation Molded to protect wires from corrosion and abrasion Specs: Cable length
  • Trailer Connectors
  • Trailer End Connector
  • 7 Round - Blade
  • 11 - 20 Feet Long
  • Hopkins

Curt Universal Installation Kit for Trailer Brake Controller - 7-Way RV - 10 Gauge

Retail: $115.95
Our Price: $76.83
In Stock
This universal wiring kit lets you install an electric brake controller (sold separately) in your vehicle and a 7-way connector for your trailer lights at the same time. Plugs into the existing 4-way ...
circuit breaker Pre-wired 7-way trailer connector mounts easily at rear of vehicle with mounting bracket (sold separately) Plugs into existing 4-way trailer connector on vehicle 30-Amp and 40-amp circuit
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Blade
  • 4 Flat
  • CURT

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

Retail: $50.39
Our Price: $29.08
In Stock
This adapter plugs into your vehicle's 7-way, round-pin receptacle to adapt it for use with a trailer-end, 7-way, RV-style plug. The 7-way flat receptacle includes a hinged cover to keep dirt and ...
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
  • Wiring Adapters
  • Single-Function Adapter
  • 7 Round - Blade
  • 7 Round - Round
  • Pollak

Pollak 7 Pole to 4 Way Connector Adapter

Retail: $20.74
Our Price: $7.78
In Stock
Quickly and easily convert a 7-pole, RV-style connector to a 4-way, flat connector with this RV connector adapter. Adapter has a non-corrosive nylon shell.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
  • Wiring Adapters
  • Single-Function Adapter
  • 4 Flat
  • 7 Round - Blade
  • Pollak