7 Pin Trailer Plug Tester & 4 Pin Trailer Tester with Double-Sided LED Indicators, Trailer Light Tester for Boat Trailer RV Truck Camper, Not Suitable for Vehicle with Lamp Out Sensor

2 in 1 Design: This trailer wiring tester combines both 4 pin flat and rv blade 7 pin trailer light tester, allows you to test both the 4 and 7 pin trailer connectors; Note: This trailer tester does NOT work with vehicle has a lamp-out sensor
Upgraded Double-Sided LED Indicators: 4pin & 7 pin trailer circuit tester designed with LEDs on both sides, Unlike the other testers only have one side leds, which make it hard to read; A great tool to help troubleshoot issues or verify you have install or fixed your trailer plug correctly
6 Light Functions: Versatile trailer connector tester can be used to test 6 separate trailer light functions, quickly confirm the functionality of taillights, brake lights, reverse lights, turn signals, electric trailer brakes and 12V auxiliary power on your vehicle
Bright LED Indicators: Trailer hitch tester equips a LED light for each electrical function; Plugging the light tester and check, you can easily read the green LEDs and find out which wiring has a problem
Durable Construction: For long-lasting use, this 7 blade RV trailer tester is made from durable ABS plastic, which will never rust or corrode, Tin-Plated copper terminals makes great conductivity
Simple to Use: No batteries or wiring needed; 7 Blade & 4 Pin Tester is easy to use, ergonomic design is convenient for plugging in or unplugging; Widely used to test trailer light circuits on most Trucks, Boats, Trailers Campers, Caravans, Food Vans and other Towed Vehicles

4 Pin Trailer Wiring Adapter
7 Pin Trailer Plug
Trailer Plug Adapter
5 Pin Trailer Wiring Adapter
7 Pin Trailer Wiring Harness
USCAR Trailer Wiring Adapter
Trailer Circuit Tester
Other Trailer Accessories
Truck Trailer Tail Lights
Electrical Tape
Brake Controller Wiring

4 Way Flat and 7 Way Blade Trailer Light Tester

Part of towing responsibly is making sure your trailer lights are working properly !!!

Oyviny Tester Comparison Table

3 in 1 Design Trailer Tester	3 in 1 Design Trailer Tester	2 in 1 Design Trailer Tester
Function 1: Testing 7 Way Blade Connector	Function 1 : Testing 7 Way Blade Connector	Function 1: Testing 7 Way Blade Connector
Function 2: Testing 5 Way Flat Adapter	Function 2: Testing 5 Way / 4 Way Flat Adapter/	Function 2: Testing 4 Way Flat Adapter
Function 3: Testing 4 Way Flat Adapter	Function 3: 12V Cigarette Lighter Socket Provides Charging	Function 3: /
Test Light Function: 6 Functions	Test Light Function: 6 Functions	Test Light Function: 6 Functions
Plug and Play ?	Plug and Play ?	Plug and Play ?

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3 in 1 Design Trailer Tester

https://m.media-amazon.com/images/S/aplus-media-library-service-media/276d08f8-110a-47e3-a650-7b8b9cc9e8b6.__CR0,0,300,225_PT0_SX300_V1___.jpg

3 in 1 Design Trailer Tester

https://m.media-amazon.com/images/S/aplus-media-library-service-media/1fcca40b-9990-4284-a6cd-64693fe7f898.__CR0,0,300,225_PT0_SX300_V1___.jpg

2 in 1 Design Trailer Tester

Function 1:

Testing 7 Way Blade Connector

Function 1 :

Testing 7 Way Blade Connector

Function 1:

Testing 7 Way Blade Connector

Function 2:

Testing 5 Way Flat Adapter

Function 2:

Testing 5 Way / 4 Way Flat Adapter/

Function 2:

Testing 4 Way Flat Adapter

Function 3:

Testing 4 Way Flat Adapter

Function 3:

12V Cigarette Lighter Socket Provides Charging

Function 3:

Test Light Function:

6 Functions

Test Light Function:

6 Functions

Test Light Function:

6 Functions

Plug and Play

Oyviny Tester comparison table

	7 Pin Plug Tester	Double End 5 Pin Tester	Double End 4 Pin Tester	4 Pin Tester	2-1 Design Trailer Tester
Customer Reviews	—	—	—	—	—
Price	—	—	—	—	—
Test Function	6 Functions	4 Functions	3 Functions	3 Functions	6 Functions
Product Design	7 Way Light Tester	5 Pin Male and Female Tester	4 Pin Male and Female Tester	4 Way Flat Circuit Tester	7 Way&4 Way Light Tester
Pin of Tester	7 WAY	5 WAY	4 WAY	4 WAY	7 WAY&4 Way
Light Tester	?	?	?	?	?
Plug and Play	?	?	?	?	?

4 Way Flat and 7 Way Blade Trailer Light Tester

Part of towing responsibly is making sure your trailer lights are working properly !!!

Oyviny Tester Comparison Table

3 in 1 Design Trailer Tester

2 in 1 Design Trailer Tester

3 in 1 Design Trailer Tester	3 in 1 Design Trailer Tester	2 in 1 Design Trailer Tester
Function 1: Testing 7 Way Blade Connector	Function 1 : Testing 7 Way Blade Connector	Function 1: Testing 7 Way Blade Connector
Function 2: Testing 5 Way Flat Adapter	Function 2: Testing 5 Way / 4 Way Flat Adapter/	Function 2: Testing 4 Way Flat Adapter
Function 3: Testing 4 Way Flat Adapter	Function 3: 12V Cigarette Lighter Socket Provides Charging	Function 3: /
Test Light Function: 6 Functions	Test Light Function: 6 Functions	Test Light Function: 6 Functions
Plug and Play ?	Plug and Play ?	Plug and Play ?

Oyviny Tester comparison table

7 Pin Plug Tester	Double End 5 Pin Tester	Double End 4 Pin Tester	4 Pin Tester	2-1 Design Trailer Tester
Customer Reviews	Customer Reviews	Customer Reviews	Customer Reviews	Customer Reviews
—	—	—	—	—
Price	Price	Price	Price	Price
—	—	—	—	—
Test Function	Test Function	Test Function	Test Function	Test Function
6 Functions	4 Functions	3 Functions	3 Functions	6 Functions
Product Design	Product Design	Product Design	Product Design	Product Design
7 Way Light Tester	5 Pin Male and Female Tester	4 Pin Male and Female Tester	4 Way Flat Circuit Tester	7 Way&4 Way Light Tester
Pin of Tester	Pin of Tester	Pin of Tester	Pin of Tester	Pin of Tester
7 WAY	5 WAY	4 WAY	4 WAY	7 WAY&4 Way
Light Tester	Light Tester	Light Tester	Light Tester	Light Tester
?	?	?	?	?
Plug and Play	Plug and Play	Plug and Play	Plug and Play	Plug and Play
?	?	?	?	?

4 Pin Trailer Wiring Adapter
7 Pin Trailer Plug
Trailer Plug Adapter
5 Pin Trailer Wiring Adapter
7 Pin Trailer Wiring Harness
USCAR Trailer Wiring Adapter
Trailer Circuit Tester
Other Trailer Accessories
Truck Trailer Tail Lights
Electrical Tape
Brake Controller Wiring

Brand	Oyviny
Features	7 Way Blade & 4 Pin Trailer Tester, false
Sports Team	1 Piece

Meet Your Seller

7 Pin Trailer Plug Tester & 4 Pin Trailer Tester with Double-Sided LED Indicators, Trailer Light Tester for Boat Trailer RV Truck Camper, Not Suitable for Vehicle with Lamp Out Sensor

4 Pin Trailer Wiring Adapter