European trailer RV 7-core circuit tester 7-pin plug socket detector trailer circuit tester XF3006

 

Product Functions:
1 end of the 12V tester is connected to a trailer 7-hole plug, and the other end is connected to a car 7-hole socket. The signal light of the tester will quickly display whether the trailer or car coil is connected properly.
Instructions for use:
Trailer (can also be used for motorhomes):
Connect the 7-hole plug on 1 end of the trailer to  end of the tester;
Press the yellow button on  side of the tester;
If all the LED lights are on, it means the circuit is normal. The functions of each LED light are as follows:;
If the LED lights are not on, then the wiring connection is incorrect.
automobile
Connect the tester to the socket on 1 end of the car;
Press the yellow button on 1 side of the tester;
If all the LED lights are on, it means the circuit is normal.
Test the function of each pin in each car socket: Turn on the left turn signal, and the No.1 indicator light Yellow of the tester will light up. If the LED light does not light up, it indicates that the circuit connection is incorrect or the circuit is broken.
Repeat these two steps to test the right turn signal/fog light/etc. separately.

 

 

	Problem	Reasons for Trailers	Reasons for Cars(Make sure to press the yellow button)
1	Some LED lights are not on	Line damage or bulb malfunction, poor contact	Line damage or bulb malfunction, poor contact
2	All LED lights are not on	Ground wire damaged or all light bulbs broken, please check the power supply	Ground wire damaged or all light bulbs broken, please check the power supply
3	One or more lights are weak or flashing	Line damage or some objects in plug contact	Line damage or some objects in plug contact
4	All lights are weak or flashing	Ground wire damaged, please check the power supply	Ground wire damaged, please check the power supply
5	The trailer light is not on, but the LED light on the tester is on	There is a short circuit in the trailer circuit, and the fuse may burn out

 

  

Factory: