| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| F18 | Radiator fan thermo-switch |
| S162 | Fuse -1- (30), in battery fuse holder |
| S163 | Fuse -2- (30), in battery fuse holder |
| S179 | Fuse -7- (30), in battery fuse holder |
| 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, in engine compartment, left |
| 500 | Screw connection -1- (30), on relay plate |
| G2 | Coolant temperature sender |
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| J382 | 1AV control unit (injection system), right in plenum chamber |
| N152 | Ignition transformer |
| N157 | Ignition transformer output stage |
| O | Ignition distributor |
| P | Spark plug connector |
| Q | Flame plug |
| T3b | 3-pin connector, black, on ignition transformer output stage |
| T10d | 10-pin connector, red, near relay station |
| T14 | 14-pin connector, black, on engine |
| T45 | 45-pin connector, black |
| 12 | Earth point, in engine compartment, left |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| F60 | Idling switch |
| G42 | Intake air temperature sender |
| G69 | Throttle valve potentiometer |
| G71 | Intake manifold pressure sender |
| G88 | Throttle valve positioner potentiometer |
| J338 | Throttle valve control unit, near intake manifold |
| J382 | 1AV control unit (injection system), right in plenum chamber |
| T4 | 4-pin connector, black, on engine |
| T8h | 8-pin connector, black, on throttle valve control unit |
| T10e | 10-pin connector, black, on engine |
| T14 | 14-pin connector, black, on engine |
| T45 | 45-pin connector, black |
| V60 | Throttle valve positioner |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| G39 | Lambda probe |
| J362 | Immobilizer control unit, next to steering column |
| J382 | 1AV control unit (injection system), right in plenum chamber |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| S8 | Fuse in relay plate fuse box |
| T4 | 4-pin connector, black, on engine |
| T4f | 4-pin connector, black, on gearbox |
| T6 | 6-pin connector, black, on immobilizer control unit |
| T10a | 10-pin connector, green, near relay station |
| T10c | 10-pin connector, blue, near relay station |
| T10d | 10-pin connector, red, near relay station |
| T10e | 10-pin connector, black, on engine |
| T45 | 45-pin connector, black |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 131 | Earth connection -3-, in engine compartment wiring harness |
| G3 | Positive (+) connection in cable sleeve - injectors |
| G61 | Knock sensor I |
| J17 | Fuel pump relay |
| J382 | 1AV control unit (injection system), right in plenum chamber |
| N80 | Activated charcoal filter system solenoid valve I |
| N121 | Exhaust gas recirculation frequency valve |
| S1 | Fuse in relay plate fuse box |
| S3 | Fuse in relay plate fuse box |
| S4 | Fuse in relay plate fuse box |
| S9 | Fuse in relay plate fuse box |
| T2c | 2-pin connector, black, on engine |
| T4 | 4-pin connector, black, on engine |
| T10 | 10-pin connector, white, near relay station |
| T10a | 10-pin connector, green, near relay station |
| T10c | 10-pin connector, blue, near relay station |
| T10d | 10-pin connector, red, near relay station |
| T14 | 14-pin connector, black, on engine |
| T45 | 45-pin connector, black |
| B135 | Connection -1- (15a), in interior wiring harness |
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| G22 | Speedometer sender (Hall sender on gearbox) |
| G32 | Coolant shortage indicator sender |
| S2 | Fuse in relay plate fuse box |
| S10 | Fuse in relay plate fuse box |
| S232 | Fuse in fuse holder |
| T4 | 4-pin connector, black, on engine |
| T10a | 10-pin connector, green, near relay station |
| T10b | 10-pin connector, black, near relay station |
| T10d | 10-pin connector, red, near relay station |
| T14 | 14-pin connector, black, on engine |
| 15 | Earth point, on cylinder head |
| 59 | Earth point, near left-hand tail light |
| 501 | Screw connection -2- (30), on relay plate |
| B109 | Earth connection, in rear left interior wiring harness |
| B149 | Positive connection -2- (15a), in interior wiring harness |
| B150 | Positive connection -2- (30a), 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 |
| T10a | 10-pin connector, green, near relay station |
| T10b | 10-pin connector, black, near relay station |
| T32a | 32-pin connector, blue, on dash panel insert |
| Y4 | Odometer display |
