| A | Battery |
| D | Ignition/starter switch |
| J59 | X-contact relief relay |
| J293 | Radiator fan control unit, in engine compartment, front left |
| S5 | Fuse 5 in fuse holder |
| S16 | Fuse 16 in fuse holder |
| S164 | Fuse 3 (30) in fuse holder on battery |
| S176 | Fuse 4 (30) in fuse holder on battery |
| S180 | Fuse 8 (30) in fuse holder on battery |
| T3 | 3-pin connector |
| T3a | 3-pin connector, in front left engine compartment |
| T4a | 4-pin connector |
| T6k | 6-pin connector |
| V7 | Radiator fan |
| 12 | Earth point, on left in engine compartment |
| 500 | Screw connection 1 (30), on relay plate |
| 501 | Screw connection 2 (30), on relay plate |
| A2 | Positive connection (15), in dash panel wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A98 | Positive connection 4 (30), in dash panel wiring harness |
| -•-•- | up to April 2002 |
| F269 | Temperature flap position switch |
| G267 | Potentiometer, temperature selection rotary knob* |
| J220 | Motronic control unit, in centre plenum chamber |
| N147 | 2-way valve for coolant shut-off valve (up to April 2002) |
| T4e | 4-pin connector, behind centre dash panel |
| T5 | 5-pin connector |
| T8f | 8-pin connector, behind centre dash panel |
| T10d | 10-pin connector, green, in connector protective housing, on left in plenum chamber |
| T121 | 121-pin connector |
| 316 | Earth connection (sender earth 2), in engine wiring harness |
| D106 | Connection 4, in engine compartment wiring harness |
| L73 | Connection (15a), in fresh air blower wiring harness |
| * | F269 is closed when G267 is positioned on left limit stop. |
| -•-•- | up to April 2002 |
| C | Alternator |
| G83 | Radiator outlet coolant temperature sender |
| J220 | Motronic control unit, in centre plenum chamber |
| T2e | 2-pin connector, near starter (in models without air conditioning system) |
| T10d | 10-pin connector, green, in connector protective housing, on left in plenum chamber |
| T10w | 10-pin connector, white, in connector protective housing, on left in plenum chamber |
| T121 | 121-pin connector |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 316 | Earth connection (sender earth 2), in engine wiring harness |
| 608 | Earth point, in centre of plenum chamber |
| -•-•- | up to April 2002 |