This connector is used since ages and provides connection of the main light signals from car to trailer. The car has a chassis connector, the trailer uses a plug connector.
| Chassis | Plug |
|---|---|
|
|
| Pin | Code | Signal | Wire |
|---|---|---|---|
| 1 | L | left flashing light | 1.5 mm2 |
| 2 | 54G | constant voltage | 1.5 mm2 |
| 3 | 31 | ground | 2.5 mm2 |
| 4 | R | right flashing light | 1.5 mm2 |
| 5 | 58R | right side light & license plate light | 1.5 mm2 |
| 6 | 54 | brake light | 1.5 mm2 |
| 7 | 58L | left side light | 1.5 mm2 |
The Multicon connector is used for some years now, and is (almost) backwards compatible with the classic connector. Below is the front view of the trunk (chassis) connector.
| Pin | Signal |
|---|---|
| 1 | left flashing light |
| 2 | fog light |
| 3 | ground for pins 1, 2 and 4 to 8 |
| 4 | right flashing light |
| 5 | right side light & license plate light |
| 6 | brake light |
| 7 | left side light |
| 8 | reverse drive light |
| 9 | constant voltage |
| 10 | battery charge |
| 11 | ground for pin 10 |
| 12 | trailer indicator (pin 3 and 12 are connected in the plug) |
| 13 | ground for pin 9 |
The Volta connector is used for some years too, and is not compatible with the classic connector. Below is the front view of the trunk (chassis) connector.
Pin usage is the same as for the Multicon Connector.