7 pin plug hook socket tester

TESTER

Specification:

Power supply: 9V battery (not included)

Socket / plug: 7-pin

Weight: 0.3 kg

Product dimensions: 19.7 x 5.5 x 4.2 cm

How it works:

SOCKET TEST

- connect the tester to the car's socket - the indicator lights are red

- we turn on a given light (e.g. stop light), the indicator light is green

- when the light indicator is red, it means that the installation is faulty

TRAILER TEST

- connect the plug to the tester

- press the yellow button on the tester

- green light means efficient installation

- red light means damaged installation or burnt bulb