Top 9 Trailer Wiring Tester – Towing Hitch Wiring

As an Amazon Associate I earn from qualifying purchases.

1. CURT

#ad

Black, CURT 58270 7-Pin RV Blade Trailer Wiring Towing Vehicle Socket Tester

#ad
CURT #ad - Plugging in this 7-way trailer light tester into your vehicle is easy with its ergonomic design. Durable housing. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat.

It features two hooks on either side of the tester for a better grip when plugging in or unplugging. Easy grip. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, reverse lights, turn signals, brake lights, electric trailer brakes and auxiliary power. Versatile. Simple to use.

To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes. Long-lasting leds. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode. For each electrical function, an led lights up indicating a good signal.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height2 Inches
Length5 Inches
Weight0.25 Kilograms
Width3 Inches
Part Number58270
Model58270
WarrantyLimited Lifetime

2. Innovative Products Of America

#ad

Innovative Products Of America 9101 Light Ranger MUTT Trailer Light Tester

#ad
Innovative Products Of America #ad - Turn signal simulation and power verification LED. Tests 7-spade, 6-round and 4/5-flat pin type trailer harnesses. Trickle charger and trailer plug adapter included. Internal battery compartment battery not included. Short circuit protection and water resistant.
BrandInnovative Products Of America #ad
ManufacturerInnovative Products of America #ad
Height10 Inches
Length14 Inches
Weight3 Pounds
Width8 Inches
Part Number9101
Model9101
WarrantyManufacturer Warranty

3. Oyviny

#ad

Oyviny 7 Way Blade & 4 Pin Trailer Light Circuit Tester with LED Indicators 6 Function Light Tester for RV Truck Trailer Socket Tester

#ad
Oyviny #ad - Simple to use. Easy and quick to test trailer circuits on most trucks. Plug in 4 way and 7 way trailer light tester equips a LED light for each electrical function. Durable construction. Plugging the light tester and check, you can easily read the green LEDs and find out which wiring has a problem.

Bright led indicators. This trailer light tester combines both 4 way circuit tester and 7 way trailer light tester, allows you to test both the 4 pin and the 7 blade connectors. 6 light functions. Widely used to test trailer light circuits on most Trucks, Boats, Trailers Campers, Caravans, Food Vans and other Towed Vehicles. Versatile trailer wiring tester can be used to test 6 separate trailer light functions, brake lights, quickly confirm the functionality of taillights, reverse lights, turn signals, electric trailer brakes and 12V auxiliary power on your vehicle.

Tin-plated copper terminals makes great conductivity. No batteries or wiring needed! 7 blade & 4 pin tester is easy to use, ergonomic design is convenient for plugging in or unplugging. For long-lasting use, this 7 blade RV trailer tester is made from durable ABS plastic, which will never rust or corrode. 2 in 1 design.
BrandOyviny #ad
ManufacturerOyviny #ad
Part NumberOV2233-001

4. CURT

#ad

CURT 58260 4-Pin Flat Trailer Wiring Towing Vehicle Socket Tester

#ad
CURT #ad - Simple to use. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes. Durable housing. Plugging in this 4-flat trailer light tester into your vehicle is easy with its ergonomic design.

To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat.

Versatile. Easy grip. For each electrical function, an led lights up indicating a good signal. It features a tab on the bottom for a better grip when plugging in or unplugging. Long-lasting leds. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights and turn signals.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height4 Inches
Length6 Inches
Weight0.05 Pounds
Width6 Inches
Part Number58260
Model58260
WarrantyOne Year Limited

5. Tekonsha

#ad

Fulton Trailer Tester

#ad
Tekonsha #ad - Package Quantity: 1. Package dimensions: 14. 0 cms l x 19. 1 cms w x 25. 6 cms H. Country of Origin: China. Product type: Auto Accessory.
BrandTekonsha #ad
ManufacturerTekonsha #ad
Height5.5 Inches
Length10 Inches
Weight6 Pounds
Width7.5 Inches
Part Number8010
Model8010

6. Aramox

#ad

Aramox Trailer Plug, 12V Trailer 7 Pin Towing Light Wire Circuit Blue Wiring Tester Plug Connector

#ad
Aramox #ad - Service guarantee:if you have any question or any unsatisfactory about the product, you can contact our customer service at any time, our Aramox team will response you in 24 hours.

Easy to use: european standard trailer connector for ease of use and storage. Scope of application: this high-quality traction lamp wiring tester is widely used in commercial vehicles, trailers, etc. Durability: this practical trailer plug connector is made of high quality ABS material for maximum durability. Simultaneous display of trailer and RV taillight signals. Unique design: this trailer adapter features a unique plug-and-play design that eliminates the need for cutting or splicing.
BrandAramox #ad
ManufacturerAramox #ad
Height3.94 Inches
Length3.94 Inches
Weight0.37 Pounds
Width3.94 Inches
Part NumberAramoxf2xiqcbn41

7. CURT

#ad

Black, CURT 58271 7-Pin RV Blade Trailer Wiring Towing Vehicle Socket Tester

#ad
CURT #ad - Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat. It features two hooks on either side of the tester for a better grip when plugging in or unplugging.

Simple to use. Plugging in this 7-way trailer light tester into your vehicle is easy with its ergonomic design. Durable housing. Long-lasting leds. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode. Easy grip. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, reverse lights, brake lights, turn signals, electric trailer brakes and auxiliary power.

For each electrical function, an led lights up indicating a good signal. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes. Versatile.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height2 Inches
Length9 Inches
Weight0.55 Pounds
Width4 Inches
Part Number58271
Model58271
WarrantyOne-Year Limited Warranty

8. MAXXHAUL

#ad

MAXXHAUL 50155 7-Way Blade Trailer Wiring Tester

#ad
MAXXHAUL #ad - Durable molded plug construction will work in different weather condition and provide many years of service. Pin point and trace the problem if it's on the tow vehicle or the trailer being towed.

Simple plug and read design to allow you to effective test your trailer lights, isolate the problem and save your valuable time and money. Designed to test your wiring harness by simply plugging the tester inline between your tow vehicle and trailer, turn on your lights and check the easy to read LED indicator lights. Compact design allows you to store in your tool box, glove compartment or anywhere to be ready when you need it.
BrandMAXXHAUL #ad
ManufacturerMaxxhaul Towing Products #ad
Height3 Inches
Length5 Inches
Width2 Inches
Part Number50155
Model50155
Warranty90 days

9. Innovative Products Of America

#ad

Innovative Products Of America IPA 9102 Heavy Ranger Mutt Trailer Light Tester 7 Round Pin

#ad
Innovative Products Of America #ad - Input: 12v dc, output: 10a @ 12V DC. Includes trickle charger. For 7-way round pin arrangements. Water resistance with internal battery compartment battery not included. Short circuit protection, turn signal, and power verification led.
BrandInnovative Products Of America #ad
ManufacturerInnovative Products of America #ad
Height7 Inches
Length12 Inches
Weight1 Pounds
Width5 Inches
Part Number9102
Model9102
WarrantyManufacturer Warranty