TESTER.
Specification:
Model: 13 pin
Power supply: 9V battery (not included)
Socket / plug: 13-pin
Weight: 0.22 kg
Product dimensions: 21.5 x 5.8 x 4.8 cm
How it works:
SOCKET TEST
- connect the tester to the car's socket
- turn on a given light (e.g. brake light), the indicator light is on
- when the light indicator is not on, it means that the installation is faulty
TRAILER TEST
- connect plug into the tester
- press the yellow button on the tester
- a lit indicator means the installation is OK
- if the indicator is not lit, it means a damaged installation or a burnt bulb