tester plugs and sockets 7P 12V trailer

Tester with LED lighting will test all functions of the vehicle and trailer - male and female connectors. LED indicator displays every problematic connection. Verifies all 7 - pin socket connector and using an adapter (not included) and 13 - pin and socket connectors in 7 - pin function. Power supply by 9 V battery (not included).

Measuring plugs trailer:

For the measurement it is necessary that the trailer were all functional lights bulbs.

Insert the plug into the tester and press the yellow button on the side of the device.

If everything is in order, all the LEDs light up. Each LEone electric circuit.

If not, some LED light, the cause may be faulty wiring, broken wire or cracked bulb.

If not even one LED is probably violated 12V wire (ground), or the device is in low battery.

Measurement socket towbar car:

Turn the lights on the car and turn on the turn signals.

Plug the tester into the socket of the towing vehicle device and press the yellow button on the side of the device.

LED lights indicate which lights are turned on and are transferred correctly into the socket hitch.

If not even one LED light is probably broken wire 12V (ground) or not illuminated tail lights of the vehicle.

Note: This tester can not be usedsocket for towing equipment, which have their own control unit (CANBUS). Never plug the tester into the socket of the towing equipment and trailer at the same time. Always carry out measurements of the trailer and the towing vehicle devices separately.