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

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

Note 1: The trailer tester will upside down when testing for 2017 Newer Ford/GMC/Chevy model; Note 2: 7 pin trailer plug tester is unable to test LED lighting system; Note 3: Doesn't work with vehicle has a lamp-out sensor, such as BMW, VW, Audi, Mercedes-Benz, Porsche etc. 2 in 1 Design: 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; Easy and quick to test trailer circuits on most trucks 6 Light Functions: Versatile trailer wiring 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: Plug in 4 way and 7 way trailer light 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 Way Flat and 7 Way Blade Trailer Light Tester
Part of towing responsibly is making sure your trailer lights are working properly. Whether you have just installed a new vehicle-to-trailer wiring harness or are trying to locate the cause of an electrical problem. This connector tester is great for testing taillights, brake controller output , back up or reverse circuit center pole, right turn/brake, left turn/brake and 12-volt power.
When the socket is getting proper power, the tester's various LEDs will light up corresponding to each wire in the connector.

Light Functions:
LT – Left Turn /Brake
TM – Taillights
RT – Right Turn/Brake
12V – Auxiliary(12V+)
BK – Electric Brakes
BU – Back up

Package Included:
1x 4 pin flat and 7 way blade trailer tester