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7-Pole, Round-Pin Adapter for Hopkins Tow Doctor Vehicle-End Test Unit

Retail: $73.55
Our Price: $53.60
This adapter lets you test a 7-way, round-pin, vehicle-end connector to ensure that all the wiring functions are working properly. Plugs into the extension cord on your Hopkins Tow Doctor wire ...
Features: Lets you test a 7-way, round-pin, vehicle-end connector with your Hopkins Tow Doctor vehicle-end wiring tester (HM50918; sold separately) Ensures that vehicle plug has been installed
  • Testers
  • Tow Function Tester
  • Hopkins
  • Black

Replacement Tow Doctor Tester

Retail: $637.69
Our Price: $293.49
In Stock
Replacement tester for Hopkins Tow Doctor Trailer End Test Unit (HM50928) Allows one person to check that trailer wiring and functions are working correctly Tests all trailer functions: right turn
  • Testers
  • Tow Function Tester
  • Hopkins

Hopkins Tow Doctor Vehicle End Test Unit

Retail: $366.79
Our Price: $261.19
In Stock
backup Heavy-duty, 20' extension cord included Adapts to 4-Flat, 6-Pole Round, or 7-way Blade 50918 Hopkins Tow Doctor Vehicle End Test Unit
  • Testers
  • Tow Function Tester
  • Hopkins

7-Way Adapter for Hopkins Tow Doctor Trailer End Test Unit

Our Price: $58.86
In Stock
Features: Fits Hopkins Tow Doctor Trailer End Test Unit (HM50928) Quantity: (1) 7-way adapter
  • Testers
  • Tow Function Tester
  • Hopkins

4-Way Flat Adapter for Hopkins Tow Doctor Trailer End Test Unit

Our Price: $34.44
In Stock
Features: Fits Hopkins Tow Doctor Trailer End Test Unit (HM50928) Quantity: (1) 4-way flat adapter
  • Testers
  • Tow Function Tester
  • Hopkins

6-Way Round Adapter for Hopkins Tow Doctor Trailer End Test Unit

Our Price: $33.59
Features: Fits Hopkins Tow Doctor Trailer End Test Unit (HM50928) Quantity: (1) 6-way round adapter
  • Testers
  • Tow Function Tester
  • Hopkins

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

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Any questions? Chat us from Missouri

Hopkins Tow Doctor Trailer End Test Unit

Retail: $637.69
Our Price: $503.47
In Stock
  • Testers
  • Tow Function Tester
  • Hopkins

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Retail: $69.95
Our Price: $43.94
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly in OEM tow package port. Powered converter reduces strain on wiring system ...
Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package Compatible with 5-pole, 6-pole and
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • Hidden
  • Plug-In
  • 4 Flat
  • Powered Converter
  • Factory Tow Package

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

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 ...
Features: Provides both a 7-way RV-style and a 4-pole flat trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • Plug-In
  • 4 Flat
  • 7 Blade
  • No Converter
  • Factory Tow Package

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

Retail: $52.49
Our Price: $49.57
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 ...
functions needed for 7-way Can also be plugged into a vehicle with a factory tow package Enhanced weatherproofing with internal seals and corrosion-resistant terminals Durable ABS plastic lids keep out dirt
  • Wiring Adapters
  • Hopkins
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • Universal Fit

Tow Ready Replacement 7-Way Harness and Socket for Factory Tow Package

Retail: $46.98
Our Price: $38.72
In Stock
Replace your damaged OEM 7-way wiring harness and socket with this Tow Ready harness. Splices into your factory tow package wiring with the included butt connectors. 7-Way trailer connector sold ...
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Tow Ready
  • Splice-In
  • 7 Blade
  • No Converter
  • Factory Tow Package

TowSmart Multi-Tow 7-Way Blade and 4-Way Flat Trailer Connection - Ford/GMC/Dodge

Retail: $39.99
Our Price: $32.00
In Stock
You're lining up the trailer in the driveway when you realize the plug doesn't match. No time to rewire. You mount the bracket, snap in the adapter, and the lights fire up. Quick install, solid connection, and you're back on schedule.Highlights Multi-Tow Adapter: Converts 7-blade to 4-way flat. OEM Fit: Designed for Ford, GMC, and Dodge vehicles. Plug-and-Play Design: No cutting or splicing required. Compact Housing: Fits snugly
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • TowSmart
  • Plug-In
  • 4 Flat
  • 7 Blade
  • No Converter
  • No Tow Package

TowSmart ProClass Multi-Tow 7-Way and 4-Way Flat Trailer Connector - Vehicle End

Retail: $37.99
Our Price: $27.88
... spot, ready for whatever you're towing next. Connector for All Your Trailers This TowSmart ProClass Multi-Tow socket gives you a 7-way blade and a 4-way flat in the same housing. It's a direct hardwire setup for vehicles that tow multiple trailer
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • TowSmart
  • 7 Blade
  • 4 Flat
  • Universal Fit

Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector - C59236

Retail: $130.95
Our Price: $70.68
In Stock
Install a 4-way flat on your vehicle with this splice-in harness. Powered converter connects directly to battery to reduce strain on wiring. Potted, SMT construction boosts water and vibration resistance. Works with 2-wire, 3-wire, and PWM systems. made using the through-hole method. And where would vibration be more likely to occur than in towing applications? Curt converters also produce less heat, leading to increased durability and longer life
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • Splice-In
  • 4 Flat
  • Powered Converter
  • Universal Fit

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

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.
  • Wiring Adapters
  • Hopkins
  • 7 Blade to 4 Flat
  • Universal Fit

Hopkins Endurance Multi-Tow Twist-Mount 7-Way RV and 4-Way Flat Trailer Connector - Vehicle End

Retail: $38.29
Our Price: $22.99
In Stock
Quickly and easily replace a damaged 7-way and 4-way, or add a new one to your vehicle with a factory tow package. The twist-in socket has heavy-duty weatherproofing and features a cover that opens ...
Features: 7-Blade, RV-style trailer connector serves as a replacement for a damaged socket Can also be added to a vehicle with a factory tow package 4-Pole flat connectors also built in Simple
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • 7 Blade
  • 4 Flat

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Retail: $52.66
Our Price: $30.28
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into 7-way OEM tow package wiring harness - no cutting, splicing or tapping ...
Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package that has a 7-way connector Retains
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • Plug-In
  • 4 Flat
  • No Converter
  • Factory Tow Package

T-One Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Retail: $80.86
Our Price: $59.90
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-One connector plugs directly into OEM tow package harness - no cutting, splicing or tapping required ...
Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package Compatible with 5-pole, 6-pole and
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Tekonsha
  • Visible
  • Plug-In
  • 4 Flat
  • Powered Converter
  • Factory Tow Package

Replacement Custom Multi-Tow 7-Way and 4-Way Trailer Connectors

Retail: $74.27
Our Price: $41.55
In Stock
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • Plug-In
  • 7 Blade
  • 4 Flat
  • No Converter
  • No Tow Package

Hopkins Multi-Tow 7-Way Blade and 4-Way Flat Trailer Connector - Chevrolet/GMC

Retail: $60.69
Our Price: $49.54
This trailer connector provides multiple towing options for your vehicle without a factory tow package. It includes 7-way, RV-style and 4-way flat sockets, and it connects to your truck's bare ...
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • Plug-In
  • 4 Flat
  • 7 Blade
  • No Converter
  • No Tow Package

Hopkins Endurance Multi-Tow 7-Way RV and 4-Way Flat Trailer Connector w/ Bracket - Vehicle End

Our Price: $51.58
In Stock
Plugs into your vehicles USCAR port and works with 7-way or 4-way trailers - no adapter needed. Endurance features include a 180-degree lid swing and oversized cover to keep dirt out and hookups easy. prevents a lot of wiring headaches down the road. Confidence That Lasts the Season - and Then Some: 1-Year Limited Warranty Whether you're towing for work or weekends, you need gear that keeps up
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • 4 Flat
  • 7 Blade

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector

Retail: $156.30
Our Price: $144.05
In Stock
Quickly and easily install a 7-way, RV-style trailer connector on your vehicle with this custom harness. T-connector plugs directly into OEM tow package wiring harness - no cutting, splicing or ...
Features: Provides a 7-way, RV-style trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package Compatible with 4-pole, 5-pole
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • Visible
  • Plug-In
  • 7 Round
  • Converter
  • Factory Tow Package

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Retail: $89.95
Our Price: $77.96
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs into OEM tow package wiring harness. Powered converter reduces strain on wiring system ...
Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package Compatible with 5-pole, 6-pole and
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • Visible
  • Plug-In
  • 4 Flat
  • Powered Converter
  • Factory Tow Package

Tow Ready 5th Wheel/Gooseneck Wiring Harness for Aluminum Truck Beds - 7 Way RV - 7' Long

Our Price: $180.60
In Stock
Mount this 7-pole connector in your truck bed for quick, simple hookup of your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with existing factory wiring. Included aluminum mounting screws avoid galvanic corrosion in your aluminum bed. well 7' Long wiring harness reaches from rear bumper to truck bed Plugs into factory wiring - no cutting or splicing Requires that truck have factory tow package Retains use of factory 7-pole
  • Fifth Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • Tow Ready
  • Plug-In
  • 7 Blade
  • No Tow Package