7 Pin Towing Trailer Tow bar Caravan Light Wiring Circuit Tester Plug Socket

7 Pin Towing Trailer Tow bar Caravan Light Wiring Circuit Tester Plug Socket

Description

1. left-hand indicator (yellow);
2. foglight or 12V (blue);
3. mass (white);
4. right-hand indicator (green);
5. right rear light (brown);
6. left brake light (red);
7. left rear light (black). Attention: Pin no 2 can be used either for a warning foglamp or a permanent 12V connection.
If a LED doesn’t light up, it is because the corresponding wire is defective. If all the LEDs don’t light up, then the mass wire is damaged or all bulbs are defective.