Top 10 trailer light tester – 4-way for 2022

Shopping trailer light tester – 4-way has never been easy. You may come many of website, read trailer light tester – 4-way reviews, check the price… It will really makes you headache and tired. Don’t worry! I’ve found ways to make it less painful. Let’s find in below article.

Best trailer light tester - 4-way

Product	Features	Editor's score	Go to site
	SeaSense EZ TROUBLESHOOTER Circuit Tester		Go to amazon.com
	ONLINE LED STORE 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester		Go to amazon.com
	Innovative Products Of America 9101 Light Ranger MUTT Trailer Light Tester		Go to amazon.com
	4-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 4-Pin Trailer Light Wire Circuit Tester		Go to amazon.com
	CURT 58260 4-Pin Flat Trailer Wiring Towing Vehicle Socket Tester		Go to amazon.com
	CURT 58270 7-Pin RV Blade Trailer Wiring Towing Vehicle Socket Tester, Black		Go to amazon.com
	IPA Light Ranger MUTT RV and Utility-Type Trailer Light Tester - Model Number 9101		Go to amazon.com
	Reese Towpower 85350 Adapter with LED Circuit Tester (7-Way Blade to 6-Pin or 4-Way Flat), Regular		Go to amazon.com
	Reese Towpower 78118 Professional Wiring Adapter, 7-Way Blade to 4- or 5-Way Flat, LED Circuit Tester		Go to amazon.com
	IIT 16687 7 Blade & 4 Pin Tester,		Go to amazon.com

Related posts:

1. SeaSense EZ TROUBLESHOOTER Circuit Tester

Feature

Package length: 9.144 cm
Package width: 6.858 cm
Package height: 0.254 cm
Product Type: FISHING EQUIPMENT

2. ONLINE LED STORE 5-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 5-Pin Trailer Light Wire Circuit Tester

Feature

STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.
ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring.
NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness.
LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.
CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box.

3. Innovative Products Of America 9101 Light Ranger MUTT Trailer Light Tester

Feature

Tests 7-spade, 6-round and 4/5-flat pin type trailer harnesses
Short circuit protection and water resistant
Turn signal simulation and power verification LED
Internal battery compartment (battery not included)
Trickle charger and trailer plug adapter included

4. 4-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 4-Pin Trailer Light Wire Circuit Tester

Feature

STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.
ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring.
NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness.
LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.
CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box.

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

Feature

VERSATILE. 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
SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. 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
EASY GRIP. Plugging in this 4-flat trailer light tester into your vehicle is easy with its ergonomic design. It features a tab on the bottom for a better grip when plugging in or unplugging
LONG-LASTING LEDS. 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. 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

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

Feature

VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power
SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. 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
EASY GRIP. Plugging in this 7-way trailer light tester into your vehicle is easy with its ergonomic design. It features two hooks on either side of the tester for a better grip when plugging in or unplugging
LONG-LASTING LEDS. 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. 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

7. IPA Light Ranger MUTT RV and Utility-Type Trailer Light Tester - Model Number 9101

Feature

Versatile unit works for testing 7-spade, 6-round and 4/5 pin harnesses
Rugged, water-resistant design can be used in any weather conditions
Short circuit protection
Turn signal simulation and power verification LED
Verifies wiring configuration, ground integrity, short circuit and overload conditions

8. Reese Towpower 85350 Adapter with LED Circuit Tester (7-Way Blade to 6-Pin or 4-Way Flat), Regular

Feature

Easily adapt OEM 7-way blade connector to either 6-pin round or a 4-way flat connector
6-pole round connector is switchable to meet desired wiring requirements
Instantly checks basic trailer electrical circuit for connectivity
Displays connectivity using high visibility LED's
Hinged dust cover protects 6-pin round when not towing

9. Reese Towpower 78118 Professional Wiring Adapter, 7-Way Blade to 4- or 5-Way Flat, LED Circuit Tester

Feature

DIMENSIONS: 6.5 x 2.7 x 2.5
VEHICLE-TO-TRAILER WIRING: Adapts any popular vehicle wiring system to your trailer, converting an OEM 7-way blade connector to a standard 4- or 5-way flat connector.
BUILT-IN LED TESTER: Circuit tester instantly checks electrical circuit for connectivity and displays the status using high-visibility cool blue LEDs so you can adapt the trailer to vehicle quickly and confirm the connections are correct.
DURABLE CONSTRUCTION: The REESE Towpower Professional Writing Adapter is built with long-lasting corrosion-resistant terminals and tin-plated contacts.
ATTACHED DUST-COVER: Tethered dual-use dust cover keeps terminals clean and protected when not in use towing a trailer.

10. IIT 16687 7 Blade & 4 Pin Tester,

Feature

Easy to use
Has a typical lifetime of 10+ years
Checks if the vehicle's tow circuit is properly configured

Conclusion

All above are our suggestions for trailer light tester - 4-way. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using trailer light tester - 4-way with us by comment in this post. Thank you!