| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| T1ag | Single connector, on starter |
| T2bo | 2-pin connector, on alternator |
| T2j | 2-pin connector, near battery |
| T6b | 6-pin connector, (brown) next to relay plate |
| 1 | Earth strap, battery body |
| 49 | Earth point, near battery |
| 500 | Screw connection -1- (30), on relay plate |
| 501 | Screw connection -2- (30), on relay plate |
| D26 | Positive connection (B+), in alternator wiring harness |
| P1 | Positive connection (30), in fuse holder/battery |
| D | Ignition/starter switch |
| F60 | Idling switch |
| G69 | Throttle valve potentiometer |
| G88 | Throttle valve positioner potentiometer |
| J59 | X contact relief relay |
| J562 | MP 9.0 (injection system) control unit |
| T7d | 7-pin connector, on ignition/starter switch |
| T8d | 8-pin connector, on throttle valve positioner |
| T45a | 45-pin connector, on MP 9.0 (injection system) control unit |
| V60 | Throttle valve positioner |
| 44 | Earth point, lower part of left A-pillar |
| 82 | Earth connection -1-, in dash panel wiring harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| G40 | Hall sender |
| J562 | MP 9.0 (injection system) control unit |
| N152 | Ignition transformer |
| N157 | Ignition transformer output stage |
| O | Ignition distributor |
| P | Spark plug connector |
| Q | Spark plug |
| T3b | 3-pin connector, on hall sender |
| T3g | 3-pin connector, on ignition transformer output stage |
| T6i | 6-pin connector, (lilac) behind shelf - front passenger's side |
| T16a | 16-pin connector, behind shelf-driver's side, diagnosis connection |
| T45a | 45-pin connector, on MP 9.0 (injection system) control unit |
| 1 | Earth strap, battery body |
| E41 | Positive connection (15), in injection system wiring harness |
| G22 | Speedometer sender (Hall sender on gearbox) |
| J16 | Current supply relay |
| J41 | Cold start device relay |
| J562 | MP 9.0 (injection system) control unit |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T2cu | 2-pin connector, on fuel pump (cold start) |
| T2n | 2-pin connector, on injector, cylinder 3 |
| T2o | 2-pin connector, on injector, cylinder 4 |
| T3a | 3-pin connector, on speedometer sender |
| T6i | 6-pin connector, (lilac) behind shelf - front passenger's side |
| T9e | 9-pin connector, on current supply relay |
| T9n | 9-pin connector, on cold start device relay |
| T45a | 45-pin connector, on MP 9.0 (injection system) control unit |
| V263 | Fuel pump (cold start) |
| 15 | Earth point, on cylinder head |
| 43 | Earth point, lower part of right A-pillar |
| E40 | Connection (vehicle speed sensor), in injection system wiring harness |
| E41 | Positive connection (15), in injection system wiring harness |
| E42 | Positive connection (30a), in injection system wiring harness |
| E43 | Connection (87), in injection system wiring harness |
| G39 | Lambda probe |
| G42 | Intake air temperature sender |
| G71 | Intake manifold pressure sender |
| J17 | Fuel pump relay |
| J562 | MP 9.0 (injection system) control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| T1c | Single connector, on lower part of right A-pillar |
| T2l | 2-pin connector, on injector, cylinder 1 |
| T2m | 2-pin connector, on injector, cylinder 2 |
| T4g | 4-pin connector, on intake air temperature sender |
| T4k | 4-pin connector, in engine compartment, rear |
| T9b | 9-pin connector, on fuel pump relay |
| T45a | 45-pin connector, on MP 9.0 (injection system) control unit |
| 43 | Earth point, lower part of right A-pillar |
| 339 | Earth connection (sender earth), in injection system wiring harness |
| E44 | Connection (87, injectors), in injection system wiring harness |
| E45 | Connection (87), in injection system wiring harness |
| G | Fuel gauge sender |
| G2 | Coolant temperature sender |
| G6 | Fuel pump (pre-supply pump) |
| G61 | Knock sensor I |
| G62 | Coolant temperature sender |
| J562 | MP 9.0 (injection system) control unit |
| T2c | 2-pin connector, on push-in bridge |
| T3f | 3-pin connector, on Ignition distributor |
| T4i | 4-pin connector, on coolant temperature sender |
| T4j | 4-pin connector, under rear right seat |
| T6g | 6-pin connector, (lilac) next to relay plate |
| T6j | 6-pin connector, (red) behind shelf - front passenger's side |
| T45a | 45-pin connector, on MP 9.0 (injection system) control unit |
| TV23 | Push-in bridge |
| 15 | Earth point, on cylinder head |
| 44 | Earth point, lower part of left A-pillar |
| 86 | Earth connection -1-, in rear wiring harness |
| 87 | Earth connection -2-, in rear wiring harness |
| 339 | Earth connection (sender earth), in injection system wiring harness |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| J285 | Control unit with display in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| S13 | Fuse in relay plate fuse box |
| S14 | Fuse in relay plate fuse box |
| S224 | Fuse in fuse holder |
| T1x | Single connector, on fresh air blower |
| T4o | 4-pin connector, behind dash panel, centre |
| T6i | 6-pin connector, (lilac) behind shelf - front passenger's side |
| T16a | 16-pin connector, near fuse box |
| T26a | 26-pin connector, on dash panel insert |
| V2 | Fresh air blower |
| 44 | Earth point, lower part of left A-pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A164 | Positive connection -2- (30a), in dash panel wiring harness |