| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J59 | X-contact relief relay |
| J226 | Starter inhibitor and reversing light relay |
| T1b | Single connector, near battery |
| T2 | 2-pin connector, behind the relay plate |
| T9 | 9-pin connector, on starter inhibitor and reversing light relay |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 119 | Earth connection 3, in headlight wiring harness |
| * | only manual gearbox |
| ** | only automatic gearbox |
| E9 | Fresh air blower switch |
| F18 | Thermal switch for radiator fan |
| L16 | Fresh air regulator illumination bulb |
| N23 | Fresh air blower series resistor |
| S24 | Overheating sensor |
| T8c | 8-pin connector, behind centre dash panel |
| V2 | Fresh air blower |
| V7 | Radiator fan |
| 43 | Earth point, lower part of right A-pillar |
| 80 | Earth connection 1, in dash panel wiring harness |
| 119 | Earth connection 1, in headlight wiring harness |
| F60 | Idling speed switch |
| G69 | Throttle valve potentiometer |
| J81 | Intake manifold preheating relay |
| J257 | Mono-Motronic control unit |
| N51 | Intake manifold preheating heater element |
| T1d | 1-pin connector, near intake manifold |
| T2n | 2-pin connector, behind the relay plate |
| T8a | 8-pin connector, behind the relay plate |
| T28a | 28-pin connector, on engine |
| T45 | 45-pin connector |
| V60 | Throttle valve positioner |
| 138 | Earth connection (control unit), in Mono-Motronic wiring harness |
| 139 | Earth connection (sender earth), in Mono-Motronic wiring harness |
| E12 | Positive connection 1 (15), in Mono-Motronic wiring harness |
| * | only manual gearbox |
| ** | only automatic gearbox |
| G2 | Coolant temperature display sender |
| G42 | Intake air temperature sender |
| G62 | Coolant temperature sender |
| J17 | Fuel pump relay |
| J257 | Mono-Motronic control unit |
| N30 | Injector |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| T2a | 2-pin connector |
| T2b | 2-pin connector |
| T2x | 2-pin connector, behind centre dash panel - self-diagnosis connection -* |
| T2z | 2-pin connector, behind centre dash panel - self-diagnosis connection -* |
| T28 | 28-pin connector, on engine |
| T45 | 45-pin connector |
| TV2 | Terminal 30 wiring junction, behind the relay plate |
| TV14 | Self-diagnosis wiring junction, above the relay plate |
| 15 | Earth point, on cylinder head |
| 80 | Earth connection 1, in dash panel wiring harness |
| 138 | Earth connection (control unit), in Mono-Motronic wiring harness |
| 139 | Earth connection (sender earth), in Mono-Motronic wiring harness |
| E11 | Positive connection (30), in Mono-Motronic wiring harness |
| * | from model year 1994 see Current Flow Diagram self-diagnosis -connection bus! |
| G39 | Lambda probe or |
| Lambda probe, with heater |
| J257 | Mono-Motronic control unit |
| T2j | 2-pin connector, near intake manifold |
| T2r | 2-pin connector, behind the relay plate |
| T4 | 4-pin connector, near intake manifold |
| T8a | 8-pin connector, behind the relay plate |
| T28a | 28-pin connector, on engine |
| T45 | 45-pin connector |
| 29 | Earth point, near exhaust manifold |
| 138 | Earth connection (control unit), in Mono-Motronic wiring harness |
| * | only automatic gearbox |
| ** | Depends on equipment |
| G | Fuel gauge sender |
| G6 | Fuel pump |
| G40 | Hall sender |
| J257 | Mono-Motronic control unit |
| N152 | Ignition transformer |
| N157 | Ignition transformer output stage |
| O | Ignition distributor |
| P | Spark plug connector |
| Q | Spark plugs |
| T3a | 3-pin connector |
| T28a | 28-pin connector, on engine |
| T45 | 45-pin connector |
| 15 | Earth point, on cylinder head |
| 138 | Earth connection (control unit), in Mono-Motronic wiring harness |
| 196 | Earth connection, in rear wiring harness |
| E13 | Positive connection 2 (15), in Mono-Motronic wiring harness |
| * | Resistance cable, resistance values ⇒workshop manual |
| ** | Depends on equipment |
| F1 | Oil pressure switch |
| F22 | Oil pressure switch (0.3 bar) |
| G32 | Coolant shortage indicator sender |
| 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 illumination bulb |
| L75 | Digital display illumination bulb |
| T28 | 28-pin connector, on dash panel insert |
| T28a | 28-pin connector, on engine |
| TV4 | Terminal 15 wiring junction |
| 119 | Earth connection 1, in headlight wiring harness |
| E86 | Multifunction display call-up button |
| E109 | Multifunction display memory switch |
| G8 | Oil temperature sender |
| G17 | Ambient temperature sensor |
| G22 | Speedometer sender |
| J119 | Multifunction display |
| J285 | Control unit with display in dash panel insert |
| L75 | Digital display illumination bulb |
| T1e | 1-pin connector, behind the dash panel |
| T4b | 4-pin connector, behind steering column switch trim |
| T28 | 28-pin connector, on dash panel insert |
| T28a | 28-pin connector, on engine |
| 15 | Earth point, on cylinder head |
| F2 | Front left contact switch |
| F3 | Front right contact switch |
| F10 | Rear left door contact switch |
| F11 | Rear right door contact switch |
| L48 | Ashtray illumination bulb, rear |
| T1 | 1-pin connector, on left in luggage compartment |
| T1g | Single connector, behind the relay plate, connection for central locking |
| T2c | 2-pin connector, on left C-pillar |
| T4a | 4-pin connector, behind the relay plate |
| T5e | 5-pin connector, on rear cross-panel |
| T5f | 5-pin connector, above the relay plate |
| T5g | 5-pin connector, on left in luggage compartment |
| TV17 | Door contact switch wiring junction, above the relay plate |
| W6 | Glove compartment light |
| W13 | Front passenger reading light |
| W15 | Interior light with switch-off delay |
| X | Number plate light |
| 50 | Earth point, on left in luggage compartment |
| 98 | Earth connection, in rear lid wiring harness |
| 195 | Earth connection, in rear door switch wiring harness |
| 196 | Earth connection 1, in rear wiring harness |
| R8 | Connection (door contact switch), in rear door contact switch wiring harness |
| R9 | Connection (door contact switch), in rear wiring harness |
| W2 | Positive connection (58), in rear wiring harness |
| W9 | Positive connection (30), in rear wiring harness |
| W11 | Connection (58), in rear lid wiring harness |
| F5 | Luggage compartment light switch |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| L28 | Cigarette lighter illumination bulb |
| R | Radio |
| T1a | 1-pin connector, above the relay plate |
| T2g | 2-pin connector, on left in luggage compartment |
| T5e | 5-pin connector, on rear cross-panel |
| T5g | 5-pin connector, on left in luggage compartment |
| T8 | 8-pin connector, on radio |
| U1 | Cigarette lighter |
| W3 | Luggage compartment light |
| 44 | Earth point, lower part of left A-pillar |
| 80 | Earth connection 1, in dash panel wiring harness |
| 98 | Earth connection, in rear lid wiring harness |
| 119 | Earth connection 1, in headlight wiring harness |
| A11 | Positive connection (58b), in dash panel wiring harness |
| A40 | Positive connection -1- (30), in dash panel wiring harness |
| E102 | Headlight range control regulator |
| T4 | 4-pin connector, on left in bulkhead |
| T19 | 19-pin connector, behind right radiator |
| V48 | Left headlight range control motor |
| V49 | Right headlight range control motor |
| 17 | Earth point, on intake manifold |
| 18 | Earth point, on engine block |
| 119 | Earth connection 1, in headlight wiring harness |
| 198 | Earth connection, in front lighting wiring harness |
| M2 | Right tail light bulb |
| M4 | Left tail light bulb |
| M5 | Front left turn signal bulb |
| M6 | Rear left turn signal bulb |
| M7 | Front right turn signal bulb |
| M8 | Rear right turn signal bulb |
| T2f | 2-pin connector, behind the relay plate |
| T2h | 2-pin connector, behind left suspension strut |
| T2i | 2-pin connector, behind right suspension strut |
| T5d | 5-pin connector, on left rear fog light |
| T8d | 8-pin connector, on left rear fog light |
| T8e | 8-pin connector, on right rear fog light |
| T19 | 19-pin connector, behind right radiator |
| 50 | Earth point, on left in luggage compartment |
| 63 | Earth point, left tail light bulb holder |
| 64 | Earth point, tail light bulb holder |
| 119 | Earth connection 1, in headlight wiring harness |
| 196 | Earth connection 1, in rear wiring harness |
| 198 | Earth connection, in front lighting wiring harness |
| C19 | Connection (right turn signal) in headlight wiring harness |
| C20 | Connection (left turn signal) in headlight wiring harness |
| E1 | Light switch |
| E20 | Illumination regulators - switches and instruments |
| E23 | Front and rear fog light switch |
| K4 | Side light warning lamp |
| K13 | Rear fog light warning lamp |
| L9 | Light switch illumination bulb |
| L20 | Rear fog light bulb |
| T3 | 3-pin connector, behind left dash panel |
| T8d | 8-pin connector, on left rear fog light |
| T19 | 19-pin connector, behind right radiator |
| 64 | Earth point, right tail light bulb holder |
| 119 | Earth connection 1, in headlight wiring harness |
| 198 | Earth connection, in front lighting wiring harness |
| E15 | Heated rear window switch |
| F4 | Reversing light switch |
| H1 | Dual tone horn |
| J4 | Dual tone horn relay |
| K10 | Heated rear window warning lamp |
| L39 | Heated rear window switch illumination bulb |
| M16 | Left reversing light bulb |
| M17 | Right reversing light bulb |
| T1f | Single connector, in luggage compartment, rear left |
| T2k | 2-pin connector, behind the relay plate |
| T5d | 5-pin connector, on left rear fog light |
| T8d | 8-pin connector, on left rear fog light |
| T8e | 8-pin connector, on right rear fog light |
| T19 | 19-pin connector, behind right radiator |
| Z1 | Heated rear window |
| 63 | Earth point, left tail light bulb holder |
| 64 | Earth point, right tail light bulb holder |
| 98 | Earth connection, in rear lid wiring harness |
| 129 | Earth connection, in dual tone horn wiring harness |
| C13 | Positive connection in dual tone horn wiring harness |
| E22 | Intermittent wiper switch |
| H | Horn plate |
| J31 | Automatic intermittent wash and wipe relay |
| T2s | 2-pin connector, behind the relay plate |
| T4c | 4-pin connector, behind steering column switch trim |
| T5c | 5-pin connector, behind steering column switch trim |
| T7a | 7-pin connector, behind steering column switch trim |
| V | Windscreen wiper motor |
| E15 | Connection (53a), in Mono-Motronic wiring harness |
| F | Brake light switch |
| J30 | Rear window wiper and washer relay |
| M9 | Left brake light bulb |
| M10 | Right brake light bulb |
| T5d | 5-pin connector, on left rear fog light |
| T5e | 5-pin connector, on rear cross-panel |
| T5g | 5-pin connector, on left in luggage compartment |
| T8d | 8-pin connector, on left rear fog light |
| T8e | 8-pin connector, on right rear fog light |
| V12 | Rear window wiper motor |
| V59 | Windscreen and rear window washer pump |
| 63 | Earth point, left tail light bulb holder |
| 64 | Earth point, right tail light bulb holder |
| 98 | Earth connection, in rear lid wiring harness |
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