| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| F18 | Thermal switch for radiator fan |
| S162 | Fuse 1 (30), on battery fuse holder |
| S163 | Fuse 2 (30), on battery fuse holder |
| S164 | Fuse 3 (30), on battery fuse holder |
| S179 | Fuse 7 (30), on battery fuse holder |
| T2b | 2-pin connector, black, near starter |
| T3c | 3-pin connector, black, on radiator fan |
| T4d | 4-pin connector, black, on gearbox |
| T4g | 4-pin connector, black, near battery |
| T10a | 10-pin connector, green, near relay station |
| T10d | 10-pin connector, red, near relay station |
| V7 | Radiator fan |
| 1 | Earth strap, battery - body |
| 12 | Earth point, on left in engine compartment |
| 500 | Screw connection 1 (30), on relay plate |
| D97 | Connection (50), in engine compartment right wiring harness |
| J362 | Immobilizer control unit, next to steering column |
| J366 | Fuel shut-off valve control unit, on diesel injection pump |
| N18 | Exhaust gas recirculation valve (01265) |
| N109 | Fuel shut-off valve |
| N177 | Idling speed boost valve (01168) |
| S3 | Fuses on fuse holder |
| T6 | 6-pin connector, black, on immobilizer control unit |
| T10a | 10-pin connector, green, near relay station |
| T10d | 10-pin connector, red, near relay station |
| T19a | 19-pin connector, black, on engine |
| B135 | Connection 1 (15a), in interior wiring harness |
| D52 | Positive connection (15a), in engine compartment wiring harness |
| D | Ignition/starter switch |
| G157 | Load signal potentiometer (01052) |
| J179 | Automatic glow period control unit, above relay plate |
| N108 | Commencement of injection valve (01269) |
| S9 | Fuses on fuse holder |
| T10b | 10-pin connector, black, near relay station |
| T10c | 10-pin connector, blue, near relay station |
| T10d | 10-pin connector, red, near relay station |
| T18a | 18-pin connector, black, on automatic glow period control unit |
| T19a | 19-pin connector, black, on engine |
| 15 | Earth point, on cylinder head |
| 21 | Earth point, near diesel injection pump |
| A45 | Connection (RPM signal), in dash panel wiring harness |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| B135 | Connection 1 (15a), in interior wiring harness |
| D52 | Positive connection (15a), in engine compartment wiring harness |
| F2 | Driver door contact switch (01169) |
| G2 | Coolant temperature sender |
| G27 | Engine temperature sender (01204) |
| J52 | Glow plug relay, near relay station (01266) |
| J179 | Automatic glow period control unit, near above relay plate |
| N194 | Full load stop valve (01167) |
| Q6 | Glow plug |
| S2 | Fuses on fuse holder |
| S10 | Fuses on fuse holder |
| T10a | 10-pin connector, green, near relay station |
| T10b | 10-pin connector, black, near relay station |
| T10d | 10-pin connector, red, near relay station |
| T18a | 18-pin connector, black, on automatic glow period control unit |
| T19a | 19-pin connector, black, on engine |
| 15 | Earth point, on cylinder head |
| 21 | Earth point, near diesel injection pump |
| 220 | Earth connection (sender earth), in engine wiring harness |
| 501 | Screw connection 2 (30), on relay plate |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
| D98 | Connection (glow plugs), in engine compartment wiring harness |
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G8 | Oil temperature sender |
| G22 | Speedometer sender (Hall sender on gearbox) |
| G32 | Coolant shortage indicator sender |
| T10a | 10-pin connector, green, near relay station |
| T10b | 10-pin connector, black, near relay station |
| T10d | 10-pin connector, red, near relay station |
| T19a | 19-pin connector, black, on engine |
| 15 | Earth point, on cylinder head |
| 220 | Earth connection (sender earth), in engine wiring harness |
| B149 | Positive connection 2 (15a), in interior wiring harness |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K29 | Glow period warning lamp (00626) |
| T10 | 10-pin connector, white, near relay station |
| T19a | 19-pin connector, black, on engine |
| T32 | 32-pin connector, black, on dash panel insert |
| T32a | 32-pin connector, blue, on dash panel insert |
| Y4 | Trip counter |
