| Number | X-pin, colour | Description |
|---|---|---|
| X2803 | 6-pin, Black | Plug connector Tachograph |
| X2804 | 6-pin, Black | Plug connector Tachograph |
| X2805 | 4-pin, Black | Plug connector Tachograph |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | E | Voltage supply terminal 30 | Fuse box |
| 3 | Not used | ||
| 4 | E | Voltage supply terminal R | Fuse box |
| 5 | M | Ground | Ground point |
| 6 | M | Ground | Ground point |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | E | Signal, terminal 87 | Relay, tachograph |
| 3 | Not used | ||
| 4 | Not used | ||
| 5 | A | Signal, terminal 84 | Connector, terminal 84 |
| 6 | Not used | ||
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | Not used | ||
| 3 | Not used | ||
| 4 | M | Ground | Pulse adapter |