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Result: 4 pin to 7 pin adapter

Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires - ETBC7

Retail: $140.24
Our Price: $124.36
In Stock
If your vehicle already has a 4-way flat, this kit includes everything you need to install an electric trailer brake controller and 7-way connector. If there's not an existing 4-way flat on your vehicle, you can purchase one separately.
  • Trailer Brake Controller
  • Installation Kits
  • etrailer

Adapter 7-Pole Round Pins To 4-Pole Flat - 47405

Retail: $13.29
Our Price: $11.48
In Stock
  • Wiring Adapters
  • 7 Round to 4 Flat
  • Hopkins
  • Universal Fit

Adapter 4-Pole to 7-Pole and 4-Pole - 37185

Retail: $59.27
Our Price: $55.83
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.
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • Hopkins
  • Universal Fit

Trailer Connector Adapter for Land Rover - 7-Way, Round Pin, European Style to 4-Way Flat - 118710

Retail: $52.68
Our Price: $29.67
In Stock
Plug this adapter into the 7-way, round-pin, European-style trailer connector on your Land Rover to get a 4-pole, flat connector to fit your towing needs.
  • Wiring Adapters
  • 7 Round to 4 Flat
  • Tow Ready
  • Universal Fit

Curt Echo Wireless Brake Controller - 7-Way Plug-in w/ Bluetooth App - Up to 2 Axles - Proportional - C51180

Our Price: $249.90
In Stock
Towing? There's an app for that. This brake controller connects to your phone with Bluetooth so all your settings are right in your hand. The unit plugs into your 7-way for a one-step installation with no wiring.
  • Proportional Controller
  • Electric
  • Under-Dash
  • CURT
  • Smartphone Display
  • Multiple Trailers
  • Plug-In
  • Smartphone App

Adapter 7-Pole to 6-Pole and 4-Pole with Cover - Universal - Center Pin Brake - 37575

Retail: $26.39
Our Price: $19.57
In Stock
  • Wiring Adapters
  • 7 Blade to 6 Round
  • 7 Blade to 4 Flat
  • Hopkins
  • Universal Fit

7-Way RV Upgrade Kit for Trailer Brake Controller Installation - 12 Gauge Wires - ETBC7L

Retail: $124.99
Our Price: $93.85
In Stock
If you have only a 4-way flat on your vehicle and want to install a brake controller that pulls power from a 7-way trailer connector instead of wiring directly into your vehicle, this kit will adapt your plug for use with your brake controller.
  • Trailer Brake Controller
  • Installation Kits
  • etrailer

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way and 4-Pole Flat Connectors - C55774

Retail: $57.99
Our Price: $32.61
In Stock
Quickly and easily install a 7-way and a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package wiring harness - no cutting, splicing or tapping required.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • 7 Blade
  • CURT
  • Plug-In
  • No Converter
  • Factory Tow Package

Mighty Cord Trailer Connector Adapter - 4-Way Flat to 7-Way RV Style - 12" Long - A10-7084VP

Retail: $32.56
Our Price: $21.01
In Stock
Convert your vehicle's 4-way to a 7-way with this wiring adapter. Flat, 4-pole connector plugs into your vehicle and additional wire leads pull 12V power for accessories and send signals for the electric brakes and auxiliary or reverse.
  • Wiring Adapters
  • 4 Flat to 7 Blade
  • Mighty Cord
  • Universal Fit

Adapter 7 Pole to 4 Pole with Tester and Cover - 47345

Retail: $18.96
Our Price: $11.63
In Stock
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • Hopkins
  • Universal Fit

Curt Trailer Connector Adapter - 4-Way to 7-Way RV and 4-Way Flat - C57672

Retail: $55.05
Our Price: $42.69
In Stock
This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet.
  • Wiring Adapters
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • CURT
  • Universal Fit

Hopkins Heavy-Duty Trailer Coiled Wire Adapter for 7-Way to 4-Wire Flat - HM47065

Retail: $49.22
Our Price: $37.09
In Stock
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.
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • Hopkins
  • Universal Fit

Pollak 7 Pole to 4 Way Connector Adapter - PK12716

Retail: $20.74
Our Price: $9.45
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.
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • Pollak
  • Universal Fit

Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way - HM47570

Retail: $34.26
Our Price: $31.05
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 are covered with easy-open, weatherproof lids.
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • 7 Blade to 6 Round
  • Hopkins
  • Universal Fit

Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional - 90195

Retail: $323.41
Our Price: $179.89
In Stock
The large buttons and colored LCD display on this proportional brake controller make it easy to see and easy to use. Store and customize your settings so you can easily swap out trailers and drivers and get towing.
  • Proportional Controller
  • Electric
  • Electric over Hydraulic
  • Under-Dash
  • Tekonsha
  • LCD Display
  • Multiple Trailers
  • Splice-In
  • Under-Dash Box

ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit - 119250KIT

Our Price: $176.98
In Stock
Install a 4-way trailer connector on your vehicle without cutting or splicing into your wiring. Zero-contact interface sensors identify the current flowing through each wire by simply clamping onto it. Circuit-protected module is made using SMT.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • Tekonsha
  • Plug-In
  • Hidden
  • Converter
  • Universal Fit

Buyers Products Trailer Connector Adapter - 4-Way to 7-Way RV and 4-Way Flat - 337TC1474P

Retail: $42.16
Our Price: $19.01
In Stock
This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet.
  • Wiring Adapters
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • Buyers Products
  • Universal Fit

Tekonsha Prodigy RF Wireless Brake Controller - Trailer Mount w Remote - 1 to 3 Axles - Proportional - TK94FR

Retail: $556.54
Our Price: $417.63
In Stock
Wireless brake controller mounts on your trailer to keep your cab clutter-free. Keep towing simple and convenient with a handheld, Bluetooth remote control. Nothing installs in your vehicle, so you can tow with any truck that has a 7-way.
  • Proportional Controller
  • Electric
  • Trailer-Mount
  • Tekonsha
  • LED Display
  • Multiple Trailers
  • Plug-In
  • Remote Control

Adapter 4 Pole to 7 Pole and 4 Pole w/Test Lamps - C57674

Retail: $62.95
Our Price: $45.30
In Stock
This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet.
  • Wiring Adapters
  • 4 Flat to 7 Blade
  • 4 Flat to 4 Flat
  • CURT
  • Universal Fit

7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End - HM40975

Retail: $59.57
Our Price: $42.69
In Stock
This 7- and 4-pole trailer connector eliminates the need for an adapter and allows you to tow a trailer with either a 7- or 4-pole plug. Socket connects to your vehicle's OEM wiring system and mounts with included bracket.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • 7 Blade
  • Hopkins
  • No Converter
  • No Tow Package

Curt Trailer Connector Adapter - 7-Way RV Style to 4-Way Flat - 96" Cord - C74HR

Retail: $69.95
Our Price: $48.50
In Stock
This adapter lets you span 8' to connect your 7-way, RV-style, vehicle-end connector to the 4-way flat connector on your trailer. Coiled cord ensures that wires won't drag on the ground. Molded construction is durable and corrosion resistant.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 7 Blade
  • 4 Flat
  • CURT
  • Plug-In
  • No Converter
  • Universal Fit

Redarc Tow-Pro Liberty Brake Controller w/ Universal Wiring Harness - Dash Knob - Proportional - RED52VR

Our Price: $190.00
In Stock
This is one of our favorite brake controllers, with flawless braking and a tiny dash knob that looks like it came straight from the factory. It's so easy to adjust your settings or activate manual override.
  • Proportional Controller
  • Electric
  • Electric over Hydraulic
  • Behind-Dash
  • Redarc
  • Indicator Lights
  • Single Trailer Only
  • Plug-In
  • Dash-Mounted Knob

Wesbar Adapter - 7-Way RV to 4-Way or 5-Way Flat - 18" Long - 707250

Retail: $49.88
Our Price: $36.04
This 18" long adapter plugs in to your 7-way, RV-style, vehicle-end connector to convert it for use with a 4-way or 5-way flat connector on your towed vehicle or trailer.
  • Wiring Adapters
  • 7 Blade to 5 Flat
  • 7 Blade to 4 Flat
  • Wesbar
  • Universal Fit

Curt Trailer Connector Adapter with Backup Alarm - 4-Way to 7-Way RV and 4-Way Flat - C57102

Retail: $64.99
Our Price: $46.94
In Stock
This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet. Features an integrated backup alarm.
  • Wiring Adapters
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • CURT
  • Universal Fit