| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| Q6 | Glow plugs - (engine) |
| S125 | Engine glow plugs fuse, in protective housing for control units, left in engine compartment |
| T2b | 2-pin connector, blue, right on engine block |
| T10b | 10-pin connector, black, on protective housing for control units, left in engine compartment |
| T10d | 10-pin connector, brown, on protective housing for control units, left in engine compartment |
| T10e | 10-pin connector, orange, on protective housing for control units, left in engine compartment |
| 1 | Earth strap, battery body |
| 2 | Earth strap, gearbox - body |
| 500 | Screw connection -1- (30), on relay plate |
| 504 | Screw connection -1- (87F), on relay plate |
| A17 | Connection (61), in dash panel wiring harness |
| A52 | Positive connection (30), in dash panel wiring harnes |
| F31 | Connection (glow plugs - engine), in diesel direct injection system wiring harness |
| F8 | Kick-down switch |
| F60 | Idling switch |
| G79 | Accelerator position sender |
| J52 | Glow plug relay |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| J317 | Terminal 30 voltage supply relay, control number (219), in protective housing for control units |
| S102 | Engine control unit fuse, in protective housing for control units |
| T6a | 6-pin connector, on injection pump |
| T10b | 10-pin connector, black, on protective housing for control units, left in engine compartment |
| T10e | 10-pin connector, orange, on protective housing for control units, left in engine compartment |
| T15 | 15-pin connector, white, on protective housing for control units, left in engine compartment |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A52 | Positive connection -2- (30), in dash panel wiring harness |
| F28 | Connection -3-, in disel direct injection system wiring harness |
| G2 | Coolant temperature sender |
| G28 | Engine speed sender |
| G71 | Intake manifold pressure sender |
| G72 | Intake manifold temperature sender |
| G62 | Coolant temperature sender |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| T3 | 3-pin connector, near engine speed sender |
| T10b | 10-pin connector, black, on protective housing for control units, left in engine compartment |
| T10d | 10-pin connector, brown, on protective housing for control units, left in engine compartment |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| 12 | Earth point, in engine compartment, left |
| 156 | Earth connection, in diesel direct injection system wiring harness |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| F27 | Connection (screening), in diesel direct injection wiring harness |
| G40 | Hall sender for camshaft position |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| N240 | Unit injector solenoid valve, No. 1 cyl. |
| N241 | Unit injector solenoid valve, No. 2 cyl. |
| N242 | Unit injector solenoid valve, No. 3 cyl. |
| N243 | Unit injector solenoid valve, No. 4 cyl. |
| N239 | Intake manifold flap change-over valve |
| T8x | 8-pin connector, near fuel injection pump |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| F25 | Connection -1-, in diesel direct injection system wiring harness |
| G70 | Air mass meter |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| J397 | Radiator fan run-on relay |
| N18 | Exhaust gas recirculation valve |
| N75 | Charge pressure control solenoid valve |
| T10d | 10-pin connector, brown, on protective housing for control units, left in engine compartment |
| T10e | 10-pin connector, orange, on protective housing for control units, left in engine compartment |
| T10k | 10-pin connector, grey, coupling station left A-pillar |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| A10 | Connection (glow plug control), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| F25 | Connection -1-, in diesel direct injection system wiring harness |
| F26 | Connection -2-, in diesel direct injection system wiring harness |
| E45 | Cruise control system switch Position 0 = OFF in detent Position 1 = OFF with button Position 2 = ON Position 3 = RES |
| E227 | Cruise control system (CCS) button (Set) |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Cruise cont. sys. brake pedal switch (diesel direct inj. system) |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| J397 | Radiator fan run-on relay |
| S13 | Fuse in relay plate fuse box |
| T10 | 10-pin connector, black, next to steering column |
| T10k | 10-pin connector, grey, coupling station left A-pillar |
| T15 | 15-pin connector, white, on protective housing for control units, left in engine compartment |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| A15 | Positive connection (15), in instrument wiring harness |
| A89 | Connection (brake light switch), in dash panel wiring harness |
| A130 | Connection (CCS), in dash panel wiring harness |
| --- | For vehicles with cruise control system only |
| G81 | Fuel temperature sender |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| J359 | Low heat output relay , control number (373), in protective housing for control units |
| J360 | High heat output relay , control number (370), in protective housing for control units |
| J445 | - Fuel cooling pump relay, control number (214), in protective housing for control units |
| Q7 | Coolant heating elements |
| S109 | Coolant heater element fuse, in protective housing for control units |
| S143 | Coolant heater elements fuse 2, in protective housing for control units |
| S262 | - Fuel cooling pump fuse, in protective housing for control units |
| T10d | 10-pin connector, brown, on protective housing for control units, left in engine compartment (chamber 8 - connection for air conditioner) |
| T121 | 121-pin connector, on diesel direct injection system control unit |
| V166 | Cooling fuel pump |
| 156 | Earth connection, in diesel direct injection system wiring harness |
| 501 | Screw connection -2- (30), on relay plate |
| A131 | Connection (fuel consumption signal), in dash panel wiring harness |
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G6 | Fuel pump * |
| G22 | Speedometer sender, reed contact - sender left in gearbox |
| G32 | Coolant shortage indicator sender |
| G169 | Fuel gauge sender -2- * |
| G237 | Fuel gauge sender -3- * |
| J17 | Fuel pump relay *, on the 13 position relay carrier control number (214) |
| S228 | Fuse in fuse holder * |
| T3d | 3-pin connector, front left in engine compartment |
| T4e | 4-pin connector |
| T6c | 6-pin connector, blue, coupling station left A-pillar |
| T10a | 10-pin connector, brown, coupling station left A-pillar |
| T10b | 10-pin connector, black, on protective housing for control units, left in engine compartment |
| 75 | Earth point, rear pillar, right |
| 156 | Earth connection, in diesel direct injection system wiring harness |
| 197 | Earth connection -4-, in rear wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A86 | Connection (50a), in dash panel wiring harness |
| * | For vehicles with wheel drive only |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K29 | Glow period warning lamp |
| L75 | Digital display illumination |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| Y4 | Odometer display |
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