| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| F4 | Reversing light switch |
| J17 | Fuel pump relay |
| S5 | Fuse in fuse box/relay plate |
| S13 | Fuse in fuse box |
| S228 | Fuse in fuse box |
| S231 | Fuse in fuse box |
| T2h | 2-pin connector, blue, in engine compartment |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| 11 | Earth point, in battery box |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A17 | Connection (61), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A70 | Connection (15a, fuse 231), in dash panel wiring harness |
| A86 | Positive (+) connection (50a), in dash panel wiring harness |
| * | Only models with manual gearbox |
| ** | Only models with four-wheel drive |
| *** | Fit at any vacant relay point |
| G80 | Needle lift sender |
| J52 | Glow plug relay |
| J248 | Diesel direct injection system control unit |
| J322 | Diesel direct injection system relay |
| Q6 | Glow plugs (engine) |
| S39 | Strip fuse for glow plugs (engine) |
| S102 | Fuse for engine electrics (diesel) |
| T2k | 2-pin connector, brown, in engine compartment |
| T3aa | 3-pin connector, white, connector point, electronics box, plenum chamber |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| 12 | Earth connection, in engine compartment, left |
| 156 | Earth connection, in diesel direct injection wiring harness |
| A40 | Positive (+) connection -1- (30), in dash panel wiring harness |
| D16 | Connection (glow plugs), in engine compartment wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| F33 | Positive (+) connection (30), in diesel direct injection system wiring harness |
| * | Only models with manual gearbox |
| ** | Only models with four-wheel drive |
| E87 | Control and display unit for air conditioner |
| F8 | Kick-down switch |
| F60 | Idling switch |
| G79 | Accelerator pedal position sender |
| J234 | Airbag control unit |
| J248 | Diesel direct injection system control unit |
| T3au | 3-pin connector, red, connector point, electronics box, plenum chamber |
| T6as | 6-pin connector, black, in engine compartment, rear |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| T15m | 15-pin connector, red, connector point, electronics box, plenum chamber |
| 156 | Earth connection, in diesel direct injection wiring harness |
| A100 | Connection -2- (87), in dash panel wiring harness |
| A105 | Connection -2- (rpm boost), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| * | Only models with air conditioner |
| ** | Only models with manual gearbox |
| *** | Only models with automatic gearbox |
| **** | Applicable up to model year 2000 |
| ***** | Applicable from model year 2001 (phased-in modification) |
| E45 | Cruise control system switch |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| G70 | Air mass meter |
| G71 | Intake manifold pressure sender |
| G72 | Intake manifold temperature sender |
| J138 | Radiator fan run-on control unit |
| J248 | Diesel direct injection system control unit |
| M9 | Brake light bulb, left |
| M10 | Brake light bulb, right |
| N18 | Exhaust gas recirculation valve |
| N75 | Charge pressure control solenoid valve |
| T6y | 6-pin connector, in steering column |
| T10p | 10-pin connector, grey, left connector point, A pillar |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| T15 | 15-pin connector, white, connector point, electronics box, plenum chamber |
| A18 | Connection (54), in dash panel wiring harness |
| A71 | Connection (86), in dash panel wiring harness |
| A106 | Connection -2- (86s), in dash panel wiring harness |
| D103 | Connection -3-, in engine compartment wiring harness |
| * | Only models with manual gearbox |
| ** | Only models with cruise control system |
| *** | From June 1999 onwards |
| G81 | Fuel temperature sender |
| G149 | Modulating piston movement sender |
| J248 | Diesel direct injection system control unit |
| N79 | Heater element (crankcase) |
| N108 | Commencement of injection valve |
| N109 | Fuel shut-off valve |
| N146 | Metering adjuster |
| T10r | 10-pin connector, black, in engine compartment |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| T15m | 15-pin connector, red, connector point, electronics box, plenum chamber |
| 156 | Earth connection, in diesel direct injection wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| D103 | Connection -3-, in engine compartment wiring harness |
| F25 | Connection -1-, in diesel direct injection system wiring harness |
| * | Only models with heater elements (manual gearbox) and export versions (northern countries) |
| • | Data bus wire (CAN bus) |
| G2 | Coolant temperature sender |
| G28 | Engine speed sender |
| G62 | Coolant temperature sender |
| J248 | Diesel direct injection system control unit |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| Q7 | Coolant heating elements |
| S109 | Coolant heater elements fuse |
| S143 | Coolant heater elements fuse 2 |
| T3bl | 3-pin connector, black, in engine compartment, left |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| 200 | Earth connection (screening), in engine compartment wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| * | Only models with manual gearbox |
| F66 | Coolant shortage indicator switch |
| G | Fuel gauge sender |
| G6 | Fuel pump |
| J218 | Combi-processor in dash panel insert |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10ao | 10-pin connector, white, left connector point, A pillar |
| T16 | 16-pin connector, diagnostic connector |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 86 | Earth connection -1-, in rear wiring harness |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Output for signal earth |
| F1 | Oil pressure switch |
| G22 | Speedometer sender |
| G266 | Oil level/oil temperature sender |
| J218 | Combi-processor in dash panel insert |
| K2 | Alternator warning lamp |
| K132 | Electronic power control fault lamp |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10ar | 10-pin connector, orange, connector point, electronics box, plenum chamber |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 156 | Earth connection, in diesel direct injection wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| * | Applicable up to model year 2000 |
| ** | Applicable from model year 2001 |
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