| A | Battery |
| B | Starter motor |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition and starter switch |
| E1 | Headlight switch |
| E4 | Dipped beam and flasher switch |
| E19 | Parking light switch |
| J59 | Discharge relay for contact X |
| S162 | Fuse -1- (30) in fuse holder/battery |
| S163 | Fuse -2- (30) in fuse holder/battery |
| S179 | Fuse -7- (30) in fuse holder/battery |
| T4a | 4-way connector |
| T5d | 5-way connector |
| T5s | 5-way connector, in the transmission |
| T7a | 7-way connector |
| T10 | 10-way connector, green, interconnection, strut A, left |
| T10a | 10-way connector, red, interconnection, strut A, left |
| T23 | 23-way connector |
| 1 | Earth strap, battery - bodywork |
| 2 | Earth strap, gearbox - bodywork |
| A86 | Connection (50a), dash panel insert wiring harness |
| B106 | Earth connection, (driver's door, left), interior wiring harness |
| B157 | Positive connection -3- (15a), interior wiring harness |
| B158 | Connection (S), interior wiring harness |
| F88 | PAS pressure switch |
| G40 | Hall sender |
| H1 | Two-tone horn |
| J537 | Marelli 4LV control unit (injection system) |
| N152 | Ignition transformer |
| P | Plug socket |
| Q | Spark plugs |
| S3 | Fuse 3 in fuse holder/relay plate |
| S4 | Fuse 4 in fuse holder/relay plate |
| S9 | Fuse in 9 fuse holder/relay plate |
| S11 | Fuse 11 in fuse holder/relay plate |
| T4 | 4-way connector, in the ignition transformer |
| T5l | 5-way connector, in the engine |
| T10 | 10-way connector, green, interconnection, strut A, left |
| T10b | 10-way connector, blue, interconnection, strut A, left |
| T10d | 10-way connector, white, interconnection, strut A, left |
| T14 | 14-way connector, engine |
| T14a | 14-way connector, engine |
| T121 | 121-way connector |
| 10 | Plenum chamber earthing point |
| 201 | Earth connection -5-, engine bay wiring harness |
| 220 | Earth connection (sender earth) engine wiring harness |
| B163 | Positive connection -1- (15), interior wiring harness |
| F60 | Idling switch |
| G2 | Coolant temperature sender |
| G62 | Coolant temperature sender |
| G69 | Throttle valve potentiometer |
| G88 | Throttle valve potentiometer regulator |
| J293 | Radiator fan control unit |
| J338 | Throttle valve control unit |
| J537 | Marelli 4LV control unit (injection system) |
| S10 | Fuse 10 in fuse holder/relay plate |
| S20 | Fuse 20 in fuse holder/relay plate |
| T5l | 5-way connector, engine |
| T8h | 8-way connector |
| T10a | 10-way connector, red, interconnection, strut A, left |
| T10d | 10-way connector, white, interconnection, strut A, left |
| T14 | 14-way connector, engine |
| T14a | 14-way connector, engine |
| T121 | 121-way connector |
| V60 | Throttle valve regulator |
| 220 | Earth connection (sender earth), engine wiring harness |
| B156 | Positive connection (30), interior wiring harness |
| D101 | Connection -1-, engine bay wiring harness |
| * | Only vehicles with air conditioning |
| G42 | Inlet air temperature sender |
| G71 | Inlet manifold pressure sender |
| G212 | Exhaust gas recirculation potentiometer |
| J537 | Marelli 4LV control unit (injection system) |
| N18 | Exhaust gas recirculation valve |
| T14 | 14-way connector, engine |
| 220 | Earth connection (sender earth), engine wiring harness |
| 221 | Earth connection (engine earth), engine wiring harness |
| D101 | Connection -1-, engine bay wiring harness |
| * | Version according to countries |
| J362 | Immobilizer control unit |
| J537 | Marelli 4LV control unit (injection system) |
| N30 | Cylinder 1 injector |
| N31 | Cylinder 2 injector |
| N32 | Cylinder 3 injector |
| N33 | Cylinder 4 injector |
| T5l | 5-way connector, engine |
| T10 | 10-way connector, green, interconnection, strut A, left |
| T10a | 10-way connector, red, interconnection, strut A, left |
| T10b | 10-way connector, blue, interconnection, strut A, left |
| T10n | 10-way connector, grey, interconnection, strut A, left |
| T14a | 14-way connector, engine |
| 10 | Plenum chamber, in the earthing point |
| 221 | Earth connection (engine earth), engine wiring harness |
| D25 | Positive connection (15), engine wiring harness |
| G39 | Lambda probe |
| G130 | Lambda probe after catalytic converter |
| J293 | Radiator fan control unit |
| J537 | Marelli 4LV control unit (injection system) |
| T4c | 4-way connector, transmission |
| T6c | 6-way connector |
| T10a | 10-way connector, red, interconnection, strut A, left |
| T14 | 14-way connector, engine |
| Z19 | Lambda probe heater |
| E30 | Connexion (87a), engine wiring harness |
| * | Only vehicles with air conditioning |
| ** | Version according to countries |
| *** | Element attached to the connector |
| F | Brake light switch |
| F63 | Brake pedal switch |
| G22 | Speedometer sender |
| J17 | Fuel pump relay |
| J234 | Airbag control unit |
| J362 | Immobilizer control unit |
| J537 | Marelli 4LV control unit |
| M9 | Brake light, left |
| M10 | Brake light, right |
| M25 | High level brake light bulb |
| N80 | Solenoid 1 for activated charcoal filter system |
| S8 | Fuse 8 in fuse holder/relay plate |
| S226 | Fuse 26 in fuse holder |
| W | Front interior illumination |
| T10 | 10-way connector, green, interconnection, strut A, left |
| T10a | 10-way connector, red, interconnec., strut A, left |
| T14 | 14-way connector, engine |
| T14a | 14-way connector, engine |
| 201 | Earth connection -5-, engine bay wiring harness |
| A99 | Connection -1- (87), dash panel insert wiring harness |
| A104 | Positive connection-2- (15), dash panel insert wiring harness |
| B102 | Earth connection, interior wiring harness, front left |
| B135 | Connection (15a), interior wiring harness |
| D25 | Positive connection (54), engine bay wiring harness |
| * | Only vehicles with airbag |
| F18 | Radiator fan thermo-switch |
| F22 | Oil pressure switch 0,3 bar |
| G | Fuel level sender |
| G6 | Fuel pump |
| G32 | Coolant level sender |
| S232 | Fuse 32 in fuse holder |
| T3b | 3-way connector, bonnet |
| T10a | 10-way connector, red, interconnection, strut A, left |
| T10c | 10-way connector, black, interconnection, strut A, left |
| T14 | 14-way connector, engine |
| V7 | Radiator fan |
| 12 | Earth point in engine bay, on the left |
| 57 | Earth point, rear strut left |
| 167 | Earth connection -4-, engine bay wiring harness |
| 221 | Earth connection (engine earth) engine wiring harness |
| B109 | Earth connection, interior wiring harness, rear left |
| G1 | Fuel gauge (00664) |
| G3 | Coolant temperature gauge |
| G21 | Speedometer (00663) |
| J104 | Control unit for ABS with EDS |
| J217 | Control unit for automatic gearbox |
| J285 | Control unit with display unit in dash panel insert (01317) |
| K3 | Oil pressure warning lamp (00755) |
| K28 | Warning lamp for coolant temperature/coolant shortage |
| T10 | 10 way connector, green, interconnection post, left side assembly A |
| T10c | 10 way connector, black, interconnection post, left side assembly A |
| T10n | 10 way connector, grey, interconnection post, left side assembly A |
| T25 | 25 way connector |
| T32 | 32 way connector |
| T32a | 32 way connector |
| T68 | 68 way connector |
| Y4 | Odometer display |
| D159 | Positive connection (high bus), in engine compartment wiring harness |
| D160 | Positive connection (low bus), in engine compartment wiring harness |
| * | Data bus cable |
| E1 | Lighting switch |
| G5 | Rev. counter (00662) |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display unit in dash panel insert (01317) |
| K2 | Alternator warning lamp |
| K105 | Reserve fuel warning lamp (01082) |
| S227 | Fuse in fuse box |
| T10n | 10 way connector, grey, interconnection post, left side assembly A |
| T32 | 32 way connector |
| T32a | 32 way connector |
| 44 | Earth point, A pillar left, bottom |
| B102 | Earth connection, in front left interior wiring loom |
| B111 | Positive connection -1- (30a), in interior wiring harness |
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