| Number | X-pin, colour | Description | 
|---|---|---|
| X8582 | 10-pin, Black | Plug connector Fuse carrier, engine electronics | 
| X8680 | 10-pin, Black | Plug connector Fuse carrier, engine electronics | 
| Pin | Type | Description / Signal type | Connection / Measuring notes  | 
|---|---|---|---|
| 1 | Not used | ||
| 2 | A | Terminal 87 | Connector, terminal 87 Diesel Connector terminal 30 | 
| 3 | Not used | ||
| 4 | A | Terminal 87 | Connector, terminal 87 | 
| 5 | Not used | ||
| 6 | A | Terminal 87 | Connector, terminal 87 | 
| 7 | E | Voltage supply terminal 30 | B+ terminal point E-box | 
| 8 | A | Terminal 30 | Connector terminal 30 | 
| 9 | E | Voltage supply terminal 30 | B+ terminal point E-box | 
| 10 | A | Terminal 30 | Unloader relay terminal 15 M51 Fuel heater | 
| Pin | Type | Description / Signal type | Connection / Measuring notes  | 
|---|---|---|---|
| 1 | E | Terminal 87 | DME relay DDE relay M52 not used | 
| 2 | Not used | ||
| 3 | Not used | ||
| 4 | A | Voltage supply for engine electrical system, fuse 2 | Solder connection, voltage supply | 
| 5 | A | Voltage supply, engine electronics via main relay | DME relay (only for M52) | 
| 6 | A | Voltage supply for engine electrical system, fuse 3 | Solder connection, voltage supply | 
| 7 | Not used | ||
| 8 | A | Voltage supply for engine electrical system, fuse 4 | Solder connection, voltage supply | 
| 9 | E | Voltage supply terminal 30 | B+ terminal point E-box | 
| 10 | A | Terminal 30 | Unloader relay terminal 15 |