Select Your Vehicle

View Cart

 4 Wire To 3 Wire Converter   x   >  

Filter Results

Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector

$45.95
  (8)
with 2-wire and 3-wire systems. savvy fashion, leading to greater predictability and reliability in functioning. 56190 Curt Powered Tail Light Converter for 2-Wire, 3-Wire or PWM Systems - 4-Way Flat Harness

 4 Flat

 Curt

 Trailer Hitch Wiring

 Trailer Connectors

 Universal Fit

 Powered Converter

 Vehicle End Connector

Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector

$17.45
  (238)
4-Way to 7-Way Trailer Wiring Adapter Adapter converts from 4 pole wiring on vehicle to 7 pole round plug. Additional wire leads for brake, power and accessory are 12" long. Picture

 Wiring Adapters

 Single-Function Adapter

 4 Flat

 7 Blade

 Tow Ready

 1 Foot Long

 Value

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

$24.95
  (74)
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: Adapts 4-way flat to both 7-way round and 4-way flat Includes integrated test lamps which display proper connections Shows if you wiring on the trailer isn't working properly - burned

 Wiring Adapters

 Multi-Function Adapter

 4 Flat

 7 Blade

 4 Flat

 Curt

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

$23.95
  (165)
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 Blade

 4 Flat

 Hopkins

 Value

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

$26.95
  (49)
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

 Wiring Adapters

 Single-Function Adapter

 7 Blade

 4 Flat

 Hopkins

 3 Feet Long

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

$21.95
  (68)
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 for effortless connections Internal seals for ultimate weatherproofing Rugged, oversize hinge Terminal grease packet included Works with 6-way, 5-way flat and 4-way flat trailer connectors 3-Year warranty

 Wiring Adapters

 Multi-Function Adapter

 7 Blade

 6 Round

 5 Flat

 4 Flat

 Hopkins

Pollak 7 Pole to 4 Way Connector Adapter

$8.99
  (262)
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

 7 Blade

 4 Flat

 Pollak

Vehicle to Vehicle Tail Light Converter

$24.95
  (13)
Used when a motorhome is towing another vehicle by way of a tow bar. If the towing vehicle has a 2-wire system and the vehicle being towed is on a 3-wire system (the vehicle has amber turn signals,

 Tow Bar Wiring

 2-to-3 Converter

 Converter

 Curt

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

$29.95
  (464)
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 Features: 7- and 4-Pole trailer connector with mounting bracket Has high-impact, ABS plastic construction Stainless steel spring for easy cover operation Rubber gasket provides weather-resistant

 4 Flat

 7 Blade

 Hopkins

 Trailer Hitch Wiring

 Custom Fit

 No Converter

Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter

$12.99
  (76)
Trailer wiring adapter changes the 4 pole flat on your vehicle into a 5 pole flat. connector. 20136 Tow Ready 4 Pole to 5 Pole Trailer Wiring Harness

 Wiring Adapters

 Single-Function Adapter

 4 Flat

 5 Flat

 Tow Ready

 18 Inch Long

 Economy

Hopkins Tail Light Converter Kit with 4-Way Flat Connector - LED Compatible

$20.95
  (10)
For vehicles with LED tail lights, this harness adapts your tow vehicle's 3-wire, separate tail light system to the trailer's 2-wire, combined system. Kit includes 4-way flat connector Features: Adapts your tow vehicle's 3-wire tail light system to the trailer's 2-wire tail light system Designed specifically for use with tow vehicles that have LED lights Includes 4-wire

 4 Flat

 Hopkins

 Trailer Hitch Wiring

 Trailer Connectors

 Universal Fit

 Converter

 Vehicle End Connector

 6 Feet Long

Hopkins Endurance, Flex-Coil Trailer Connector Adapter - 7-Way to 5-Way or 4-Way Flat with Nite-Glow

$30.95
  (19)
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-way flat or 5-way flat connector on the trailer. 3' Cable when stretched 7-Way RV blade to 5-wire flat connector 18 Gauge wire: stop/tail/turn 16 Gauge wire: ground/reverse Note: Works with a 4-way flat connector plug on your vehicle as long

 Wiring Adapters

 Multi-Function Adapter

 7 Blade

 4 Flat

 5 Flat

 Hopkins

 3 Feet Long

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

$144.15
  (1071)
Proportional brake controller automatically levels when mounted within a 360-degree vertical range. Includes customizable LCD display, storable settings, 3 boost levels, battery protection axles (8 brake assemblies) Designed for use with electric or electric-over-hydraulic trailer brakes Overall dimensions: 3-5/8" wide x 4-5/8" long x 1-3/8" tall LCD display dimensions:

 Proportional Controller

 2 - 8 Brakes

 Tekonsha

 360 Degrees

 Digital Display

 Electric

 Electric over Hydraulic

 Vehicle Mount

Hopkins Endurance Quick-Install Trailer Connector Adapter - 4-Way Flat to 7-Blade

$24.95
  (395)
This kit converts your vehicle's 4-way flat trailer connector into a Quick-Install 7-way, RV-style connector. Harness plugs into your existing 4-way and hardwires for other pins on 7-way. Round Extremely durable ABS plastic construction and oversize lid hinge Mounting screws and dielectric grease packet included 3-Year limited warranty This kit converts your factory 4-way flat, vehicle-end connector

 Wiring Adapters

 Single-Function Adapter

 4 Flat

 7 Blade

 Hopkins

Adapter 4-Pole to 5-Pole Trailer Wiring Adapter - Shorter

$7.99
  (81)
Trailer wiring adapter that changes the 4-pole flat on your vehicle into a 5-pole flat. The blue wire gets spliced into the reverse light wire on the vehicle which is easily done with the included

 Wiring Adapters

 Single-Function Adapter

 4 Flat

 5 Flat

 Hopkins

35 ft. Wishbone 4-Way Trailer Wiring Harness with 42" Ground Wire

$12.95
  (157)
35' Wishbone 4-Way Trailer Wiring Harness with 42" Ground Wire This is a 35' split wishbone 4-way trailer wiring harness with four conductors and a 42" ground wire. 4-pole trailer

 Trailer Connectors

 Trailer End Connector

 4 Flat

 Optronics

 35 Feet Long

Adapter 7 Pole to 4 Pole with Tester and Cover

$12.99
  (74)
If your truck has the connector on the left, and your trailer has the connector on the right, you will want this adapter. Vehicle End Trailer End Similar to 18142 and 30702 47345 Adapter 7 Pole to 4

 Wiring Adapters

 Single-Function Adapter

 7 Blade

 4 Flat

 Hopkins

Curt Upgraded Circuit Protected Tail Light w Converter Hardwire Kit - 4 Pole End (Includes Tester)

$48.93
  (241)
tester and (4) Quick splices to aid in installation Also includes 4-pole trailer connector cover Specs: Wire pigtails measure 17" long 4-pole trailer connector is 58" long from converter box

 4 Flat

 Curt

 Trailer Hitch Wiring

 Trailer Connectors

 Universal Fit

 Powered Converter

 Vehicle End Connector

 5 Feet Long

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

$65.84
  (614)
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 Features: Kit includes wiring and accessories required for installation of a trailer brake controller (sold separately) in your vehicle Designed for use on a vehicle with an existing 4-way flat

 Brake Controller

 Wired to Brake Controller

 Brake Controller Wiring

 Wiring

 etrailer

 Universal

Curt Circuit Protected Converter w/ SMT

$26.95
  (151)
Install a 4-way trailer connector on your vehicle with this wiring harness with tail light converter. Harness splices into existing wiring. SMT construction ensures superior performance. piece construction 16 Gauge bonded wire with 4-flat plug Factory appearance Simple do-it-yourself instructions on every package Not recommended for vehicles with LED lights Specs: Wire configuration: Red:

 4 Flat

 Curt

 Trailer Hitch Wiring

 Trailer Connectors

 Universal Fit

 Converter

 Vehicle End Connector

MaxxTow Trailer Hitch Receiver Adapter - 1-1/4" (Class II) to 2" Hitch - 4-1/2" Rise

$39.95
  (67)
Adapter lets you use your 2" hitch-mounted accessories with your 1-1/4" x 1-1/4" trailer hitch receiver. 4-1/2" Rise gives extra ground clearance. Hitch pin and clip sold Distance from 1-1/4" hitch pin hole to the back of the 2" receiver: 3" 90-Day warranty Note: Using this adapter will reduce your hitch's weight capacity by 50 percent. Do not use

 Hitch Adapter

 Hitch Expander

 Fits 1-1/4 Inch Hitch

 1-1/4 Inch to 2 Inch

 MaxxTow

 6-1/2 Inch Long

 Steel

Adapter 4 Pole to 6 Pole and 4 Pole Trailer Wiring Adapter

$24.95
  (22)
Adapter converts from 4 pole wiring on vehicle to 6 pole round plug and 4 pole flat. Additional wire leads for brake and an accessory. 4 pole to 6 Pole and 4 Pole Vehicle Side Trailer Wiring Adapter

 Wiring Adapters

 Multi-Function Adapter

 4 Flat

 6 Round

 4 Flat

 Hopkins

 Value

Curt Circuit Protected Powered Converter w/ SMT

$24.95
  (41)
3 to 2 powered converters Virtually eliminates draw on vehicle taillight circuit No HD flasher required Can be used with kit 55151 to complete installation Battery powered and circuit protected

 4 Flat

 Curt

 Trailer Hitch Wiring

 Trailer Connectors

 Universal Fit

 2 Wire System

 3 Wire System

 Powered Converter

 Vehicle End Connector

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

$18.95
  (23)
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. 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

 Wiring Adapters

 Single-Function Adapter

 7 Round Pin

 4 Flat

 Tow Ready

 Value




< Previous    
1   2   3    . . . 184







Stay Connected


Subscribe to email newsletter

Email  

privacy - we don't send unsolicited email






etrailer.com reviews etrailer.com reviews

All images, layout and content copyright etrailer.com