| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| E1 | Light switch |
| J59 | X-contact relief relay |
| J434 | Starter inhibitor relay (clutch pedal switch) |
| S162 | Fuse 1 (30), in battery fuse holder |
| S163 | Fuse 2 (30), in battery fuse holder |
| S176 | Fuse 4 (30), in battery fuse holder |
| S177 | Fuse 5 (30), in battery fuse holder |
| T2 | 2-pin connector |
| T4b | 4-pin connector |
| T6 | 6-pin connector |
| 500 | Threaded connection 1 (30), on relay plate |
| 501 | Threaded connection 2 (30), on relay plate |
| 502 | Threaded connection 1 (30a) on relay plate |
| A17 | Connection (61), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| F60 | Idling speed switch |
| G2 | Coolant temperature display sender |
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| G69 | Throttle valve potentiometer |
| G88 | Throttle valve module potentiometer |
| J220 | Motronic control unit |
| J338 | Throttle valve module |
| T8 | 8-pin connector |
| T10b | 10-pin connector |
| T80 | 80-pin connector |
| V60 | Throttle valve module |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| 607 | Earth point, on left in plenum chamber |
| D101 | Connection 1 in engine compartment wiring harness |
| G28 | Engine speed sender |
| G61 | Knock sensor 1 |
| G66 | Knock sensor 2 |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit |
| N79 | Heater element for crankcase breather |
| S234 | Fuse 34 in fuse holder |
| T2a | 2-pin connector |
| T2c | 2-pin connector |
| T3b | 3-pin connector |
| T6 | 6-pin connector |
| T10d | 10-pin connector |
| T10k | 10-pin connector |
| T10n | 10-pin connector |
| T68 | 68-pin connector |
| T80 | 80-pin connector |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| B146 | Positive connection 1 (87), in interior wiring harness |
| * | Only models with automatic gearbox, signal output |
| G | Fuel gauge sender |
| G6 | Fuel system pressurisation pump |
| G32 | Coolant shortage indicator sender |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| N112 | Secondary air inlet valve |
| S228 | Fuse 28 in fuse holder |
| S243 | Fuse 43 in fuse holder |
| T3d | 3-pin connector |
| T6 | 6-pin connector |
| T10a | 10-pin connector |
| T10b | 10-pin connector |
| T10d | 10-pin connector |
| T80 | 80-pin connector |
| V144 | Fuel system diagnostic pump |
| 42 | Earth point, next to steering column |
| 81 | Earth point in centre of engine compartment |
| 135 | Earth connection 2, in dash panel wiring harness |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| 504 | Threaded connection 1 (87), on relay plate |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A45 | Connection (RPM signal), in dash panel wiring harness |
| A99 | Connection 1 (87) in dash panel wiring harness |
| A100 | Connection 2 (87) in dash panel wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| F1 | Oil pressure switch |
| G22 | Speedometer sender |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit in dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K83 | Exhaust emissions warning lamp |
| T14 | 14-pin connector |
| T32a | 32-pin connector |
| T32b | 32-pin connector |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 119 | Earth connection 1, in headlight wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A45 | Connection (RPM signal), in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
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