Socket and trailer tester 13pin STU trl22

Product detailed description

this LED tester will test all functions of both the socket and plug of the vehicle and the trailer. The LED indicator will show any problematic connection.

The tester can be connected separately directly to the trailer plug and tested.

In addition, you can check the functionality of the socket in the vehicle, but it requires 2 people to do this due to the pedal being stepped on.

Simple and fast - you connect the tester to the socket and plug.

This 12-volt tester instantly shows the fault in lights and cable connection of vehicles and trailers.

Wide compatibility with 12 V trailer lighting Trailer lighting can be used for cars, RVs or other vehicles with a 13-pin socket/plug.

No batteries are required and the internal battery can be charged via USB-C.

Note: it also measures the function of towing bracket sockets that have their own control unit (CANBUS).

Testable features:

left/right indicator
brake light
rear/tail light left/right
fog light

Contents of the package:

1 x tester
1 x 3.6 V built-in lithium block battery (rechargeable)
1x USB-C cable