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Pollak 7-Way to RV Socket LED Circuit Tester - Vehicle End

Retail: $59.17
Our Price: $40.15
In Stock
This circuit tester plugs into the 7-way connector on your truck. LED lights indicate which functions (brake, turn, tail, stop, reverse and 12V) are properly working.Features: 7-way circuit tester 12V power Function Codes: BU: back up or reverse circuit center pole RT: right turn/brake TM: taillights LT: left turn/brake BK: brake controller output 12V: 12-volt
  • Testers
  • Tow Function Tester
  • Circuit Tester
  • Pollak
  • Black

Adapter 7 Pole to 4 Pole with Tester and Cover

Retail: $18.96
Our Price: $12.64
In Stock
  • Wiring Adapters
  • Hopkins
  • 7 Blade to 4 Flat
  • Universal Fit

Hopkins Tow Doctor Trailer End Test Unit - HM50928

Retail: $637.69
Our Price: $507.39
In Stock
auxiliary power Trailer lights illuminate and LED bulbs light on the tester to show function operation Adapts to 4-Flat, 6-Pole Round, or 7-Way RV Blade Includes battery terminal clips Amperage meter shows
  • Testers
  • Tow Function Tester
  • Hopkins

TowSmart Plug-In Trailer Connector Adapter w/ Wire Tester - 4-Way Flat to 7-Blade

Retail: $14.99
Our Price: $13.81
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, plug it in, and the lights fire up. Quick fix, solid connection ...
Highlights 4-Way to 7-Blade Conversion: Adapts your vehicles 4-way flat to a 7-blade trailer connector. Plug-In Ready: No cutting or splicing needed. Built-In Wire Tester: Confirms function before
  • Wiring Adapters
  • TowSmart
  • 4 Flat to 7 Blade
  • Universal Fit

TowSmart ProClass Plug-In Trailer Connector Adapter w Wire Tester, Ergo Grip - 4-Way Flat to 7-Blade

Retail: $27.99
Our Price: $22.64
In Stock
You've got a 4-flat on the vehicle and a 7-way on the trailer. No time to rewire. You grab this adapter, plug it in, and the built-in lights confirm the signals are live. Now you just need to ...
converts your 4-flat vehicle wiring to fit a 7-way trailer plug. It's a plug-and-play solution for light-duty towing. The built-in LED tester confirms that brake lights, taillights, and turn signals are
  • Wiring Adapters
  • TowSmart
  • 4 Flat to 7 Blade
  • Universal Fit

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

Retail: $432.95
Our Price: $256.87
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 ...
Features: Proportional braking - Smooth, safe, and good for your brakes long-term 1-Step installation - Plugs into your 7-way and you're done Bluetooth - Control your settings from your
  • Proportional Controller
  • Electric
  • CURT
  • Multiple Trailers
  • Smartphone Display
  • Under-Dash
  • Plug-In
  • Smartphone App

TowSmart Circuit Tester Kit for 4-Pole Flat Trailer Connector

Our Price: $12.31
In Stock
You're chasing a light issue with no clue if it's the truck or trailer. You plug in the tester, hit the blinkers, and the LEDs show what's live. No guesswork. Just answers before you ...
Highlights 4-Way Circuit Tester: Checks power output on standard 4-flat vehicle connectors. Instant LED Feedback: Lights up to show turn signals, brake lights, and running lights. Plug-In Design: No
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • TowSmart

Hopkins Endurance Easy-Pull 4-Way Flat Connector w/ 48" Harness and LED Tester

Retail: $20.43
Our Price: $10.57
In Stock
Built-in LEDs on this 4-way flat connector help you troubleshoot problems. The large grip ring provides the leverage you need to easily disconnect it from your trailer connector without damaging the terminals. Includes dust cover. connector is receiving power from your tow vehicle. Just plug the connector into the 4-way flat on your trailer. No separate circuit testers are needed. Activate each function on your vehicle and a red light
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • Splice-In
  • 4 Flat
  • No Converter
  • Universal Fit

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

Our Price: $10.97
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
  • Trailer Connectors
  • Trailer End Connector
  • TowSmart
  • 4 Flat

Hopkins Endurance Flex Trailer Connector Adapter w/ LED Circuit Tester - 7-Pole to 4-Pole or 5-Pole

Retail: $30.90
Our Price: $22.94
This adapter lets you use your 7-way, RV-style connector with a 4- or 5-way flat, trailer-end plug. It includes a circuit tester with red LEDs, and the 5" long, flexible wire between the plugs ...
Features: Adapter converts your 7-pole, blade-style, vehicle-end connector to a 4- or 5-wire flat connector Integrated circuit tester with red LEDs lets you know when wiring is functioning properly
  • Wiring Adapters
  • Hopkins
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • Universal Fit

Hopkins Endurance Flex Trailer Connector Adapter w/ LED Circuit Tester - 6-Pole to 4-Pole

Retail: $37.24
Our Price: $21.98
In Stock
This adapter lets you use your 6-way round connector with a 4-way flat, trailer-end plug. It includes a circuit tester with red LEDs, and the 5" long, flexible wire between the plugs makes for ...
Features: Adapter converts your 6-pole round, vehicle-end connector to a 4-wire flat connector Integrated circuit tester with red LEDs lets you know when wiring is functioning properly Flexible wire
  • Wiring Adapters
  • Hopkins
  • 6 Round to 4 Flat
  • Universal Fit

Hopkins Endurance Powered Tail Light Converter w/ 4-Way Flat Trailer Connector and Install Kit - HM46370

Retail: $114.29
Our Price: $84.77
In Stock
The built-in tester on the 4-way flat in this kit lets you easily troubleshoot. Great for setups with LED or incandescent bulbs, this kit converts your vehicle's lighting system to match your ...
we'd recommend you grab a few and swap them out for the quick-splices in this kit. Use a circuit tester on the plug terminals once the harness is installed to make sure everything's working
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • Splice-In
  • 4 Flat
  • Powered Converter
  • Universal Fit

7-Pole, Round-Pin Adapter for Hopkins Tow Doctor Vehicle-End Test Unit - HM50944

Retail: $73.55
Our Price: $53.74
In Stock
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

Curt 7-Way to RV Socket LED Circuit Tester - Vehicle End

Retail: $30.42
Our Price: $19.90
In Stock
This circuit tester plugs into the 7-way connector on your vehicle. LED lights indicate which functions (brake, turn, tail, stop, reverse, electric brakes, and 12V) are properly working. Color-coded ...
Features: 7-Way connector tester plugs into your vehicle's wiring harness to confirm your lights are functioning Tests tail lights, brake lights, turn signals, reverse lights, electric brakes
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • CURT

Brophy Circuit Tester for 4-Pole Flat Trailer Connector

Our Price: $15.12
In Stock
Circuit tester plugs into your 4-way flat trailer wiring harness and identifies lighting problems. Labeled LED lights illuminate to show which functions are working properly.Features: Circuit tester plugs into your trailer's wiring harness to check the conductivity of all the circuits between your vehicle and your trailer Quickly identifies lighting problems Labeled
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • Brophy
  • Black

Curt 6-Way Round LED Circuit Tester - Vehicle End

Retail: $15.95
Our Price: $11.24
In Stock
This circuit tester plugs into the 6-way connector on your vehicle. LED lights indicate which functions (brake, turn, tail, electric brakes, and 12V) are properly working.Features: 6-Way connector tester plugs into your vehicle's wiring harness to confirm your lights are functioning Tests tail lights, brake lights, turn signals, electric brakes, and auxiliary
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • CURT

Reese Trailer Connector Adapter w/ LED Circuit Tester and Dust Cover - 7-Pole to 4-Pole or 5-Pole

Retail: $31.30
Our Price: $23.99
In Stock
This adapter lets you quickly convert your 7-way connector for use with a 4-way or 5-way flat trailer-end plug. It includes a circuit tester with red LEDs and a built-in dust cover that protects the ...
Features: Easy-to-use, plastic adapter converts your vehicle's 7-blade, RV-style, vehicle-end connector for use with a 4-wire or 5-wire flat, trailer-end connector Circuit tester with highly
  • Wiring Adapters
  • Reese
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • Universal Fit

Curt LED 5-Way Flat Circuit Tester - Vehicle End

Retail: $12.95
Our Price: $10.67
In Stock
This circuit tester plugs into the 5-way trailer connector on your vehicle. The bright LED lights indicate which functions (tail lights, brake lights, turn signals, and reverse lights) are working ...
Features: 5-Way connector tester plugs into your vehicle's wiring harness to confirm your lights are functioning Tests tail lights, brake lights, turn signals, and reverse lights Labeled LED
  • Testers
  • Circuit Tester
  • Tow Function Tester
  • CURT

Hopkins Smart Light Trailer Tail Light w Testers - 7 Function - Submersible - Passenger's Side

Our Price: $21.63
In Stock
... industry-standard 3-prong plug. DOT and SAE compliant. replaceable Light accepts industry-standard 3-prong plug PL-3 pigtail harness included for trailers that don't have existing plug Surface mount with included studs Designed for trailers more than 80"
  • Tail Lights
  • Side Marker
  • License Plate
  • Rear Reflector
  • Turn
  • Tail
  • Stop
  • Side Reflector
  • Hopkins
  • Red
  • 4-1/2L x 5-3/8W Inch
  • Submersible Lights
  • Square
  • Surface Mount

TowSmart 4-Pole Loop w/ Wire Tester - 12" Long

Retail: $15.49
Our Price: $14.34
In Stock
You're sorting out a trailer light issue and don't want to rip everything apart. This loop lets you test wiring fast. Plug it in, check the LEDs, and see what's working. Saves time and ...
Highlights 4-Way Flat Loop: Connects trailer and vehicle wiring or serves as a test lead. Built-In LED Tester: Lights indicate active circuits when plugged into vehicle. 12" Length: Short
  • Trailer Connectors
  • Trailer and Vehicle End Connector
  • TowSmart
  • 4 Flat

Hopkins Smart Light Trailer Tail Light w Testers - 6 Function - Submersible - Passenger's Side

Our Price: $19.53
In Stock
... industry-standard 3-prong plug. DOT and SAE compliant. accepts industry-standard 3-prong plug PL-3 pigtail harness included for trailers that don't have existing plug Surface mount with included studs Designed for trailers less than 80" wide DOT and
  • Tail Lights
  • Stop
  • Side Reflector
  • Rear Reflector
  • Turn
  • Side Marker
  • Tail
  • Hopkins
  • Red
  • 4-1/2L x 5-3/8W Inch
  • Submersible Lights
  • Square
  • Surface Mount

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
  • Trailer Connectors
  • Trailer End Connector
  • TowSmart
  • 7 Blade

Hopkins Endurance Easy-Pull 4-Way Flat Trailer Connector w/ 48" Harness - HM48044

Retail: $21.97
Our Price: $5.86
In Stock
The large grip ring on this universal, splice-in, 4-way flat connector provides the leverage you need to easily disconnect it from your trailer connector without damaging the terminals. Includes dust cover and 48" bonded wires. few and swap them out for the quick-splices in this kit. Use a circuit tester on the plug terminals once the harness is installed to make sure everything's working. There's nothing worse than
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • Splice-In
  • 4 Flat

Curt Powered Tail Light Converter w/ 4-Way Flat Trailer Connector and Install Kit - C59496

Our Price: $164.54
In Stock
Great for cars and trailers with either LED or incandescent bulbs, this kit converts your vehicle's lighting system to match your trailer's. It includes a 4-way flat, wire taps, and a power wire that pulls power directly from your battery. out for the quick-splices in this kit. Use a circuit tester on the plug terminals once the harness is installed to make sure everything's working. There's nothing worse than figuring out that
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • Splice-In
  • 4 Flat
  • Powered Converter
  • Universal Fit