| D | Ignition/starter switch |
| G39 | Lambda probe |
| G40 | Hall sender |
| J17 | Fuel pump relay |
| J220 | Motronic control unit, right in plenum chamber |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Flame plug |
| T4 | 4-pin connector, near intake manifold |
| T42 | 42-pin connector, on engine |
| T68 | 68-pin connector |
| TV2 | Terminal 30 junction box, above the relay plate |
| 29 | Earth point, near battery |
| 138 | Earth connection (control unit), in Motronic wiring harness |
| E6 | Positive connection -1- (15), in Motronic wiring harness |
| G61 | Knock sensor I |
| G62 | Coolant temperature sender |
| G66 | Knock sensor II |
| G70 | Air mass meter |
| J220 | Motronic control unit, right in plenum chamber |
| T3a | 3-pin connector, near cylinder head cover |
| T3b | 3-pin connector, near cylinder head cover |
| T10a | 10-pin connector, behind the relay plate |
| T42 | 42-pin connector, on engine |
| T68 | 68-pin connector |
| 137 | Earth connection (end stage), in Motronic wiring harness |
| 138 | Earth connection (control unit), in Motronic wiring harness |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| Automatic gearbox only |
| J220 | Motronic control unit, right in plenum chamber |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| N34 | Injectors series resistor |
| N83 | Injector, cylinder 5 |
| N84 | Injector, cylinder 6 |
| R | Radio |
| T8 | 8-pin connector, on radio |
| T10a | 10-pin connector, behind the relay plate |
| T42 | 42-pin connector, on engine |
| T68 | 68-pin connector |
| TV13 | Speed signal junction box, above the relay plate |
| 138 | Earth connection (control unit), in Motronic wiring harness |
| G3 | Positive (+) connection in cable sleeve - injectors |
| Automatic gearbox only |
| F60 | Idling switch |
| F87 | Fan run-on thermo-switch |
| F129 | Air conditioner pressure switch |
| G2 | Coolant temperature sender |
| G69 | Throttle valve potentiometer |
| G72 | Intake manifold temperature sender |
| G88 | Throttle valve positioner potentiometer |
| J220 | Motronic control unit, right in plenum chamber |
| J293 | Radiator fan control unit, left in engine compartment |
| J362 | Immobilizer control unit |
| T1 | Single connector, behind the relay plate |
| T2n | 2-pin connector, behind the relay plate |
| T10 | 10-pin connector |
| T42 | 42-pin connector, on engine |
| T68 | 68-pin connector |
| V60 | Throttle valve positioner |
| 216 | Earth connection -2-, in Motronic wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| E31 | Connection (15), in engine wiring harness |
| G28 | Engine speed sender |
| J220 | Motronic control unit, right in plenum chamber |
| J293 | Radiator fan control unit, left in engine compartment |
| N79 | Heater element (crankcase breather) |
| N80 | Activated charcoal filter system solenoid valve I, (pulsed) |
| T3c | 3-pin connector, near starter |
| T3f | 3-pin connector, behind the relay plate |
| T10 | 10-pin connector |
| T10a | 10-pin connector, behind the relay plate |
| T42 | 42-pin connector, on engine |
| T68 | 68-pin connector |
| V50 | Coolant circulation pump |
| 15 | Earth point, on cylinder head |
| 29 | Earth point, near battery |
| 137 | Earth connection (end stage), in Motronic wiring harness |
| 138 | Earth connection (control unit), in Motronic wiring harness |
| 216 | Earth connection -2-, in Motronic wiring harness |
| E7 | Positive connection (87a), in Motronic wiring harness |
| Automatic gearbox only |
| E86 | Multi-function display call-up button |
| E109 | Multi-function display, memory switch |
| F1 | Oil pressure switch |
| F22 | Oil pressure switch (0.3 bar) |
| G8 | Oil temperature sender |
| G17 | Ambient temperature sensor |
| G22 | Speedometer sender (Hall sender on gearbox) |
| G32 | Coolant shortage indicator sender |
| T2c | 2-pin connector |
| T4b | 4-pin connector, behind steering column switch trim |
| T42 | 42-pin connector, on engine |
| 15 | Earth point, on cylinder head |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| 216 | Earth connection -2-, in Motronic wiring harness |
| E20 | Switches and instruments - lighting control |
| J285 | Control unit with display in dash panel insert |
| K1 | Main beam warning lamp |
| K2 | Alternator warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| L10 | Dash panel insert light bulb |
| L39 | Heated rear window switch bulb |
| M5 | Turn signal bulb, front left |
| M7 | Turn signal bulb, front right |
| T2b | 2-pin connector, behind the relay plate |
| T28 | 28-pin connector, on dash panel insert |
| TV4 | Terminal 15 junction box, above the relay plate |
| Y | Analogue clock |
| A11 | Positive (+) connection (58b), in wiring harness for instruments |
| E4 | Headlight dipper/flasher switch |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| J285 | Control unit with display in dash panel insert |
| K3 | Oil pressure warning lamp |
| K7 | Dual circuit brake/handbrake warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| L1 | Twin filament bulb/sealed beam insert, left |
| L2 | Twin filament bulb/sealed beam insert, right |
| T28 | 28-pin connector, on dash panel insert |
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