| E221 | Operating unit in steering wheel |
| F138 | Airbag coil connector |
| H | Horn plate |
| J234 | Airbag control unit |
| L45 | Light for memory operating unit |
| N95 | Airbag igniter, driver's side |
| S5 | Fuse in fuse box |
| S240 | Fuse in fuse box |
| T5b | 5-pin connector |
| T5j | 5-pin connector |
| T75 | 75-pin connector |
| 42 | Earth point, next to steering column |
| 49 | Earth point, on steering column |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 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 |
| D | Ignition/starter switch |
| J4 | Dual tone horn relay |
| J59 | X contact relief relay |
| J285 | Control unit with display in dash panel insert |
| J453 | Multi-function steering wheel control unit, above the central electrics |
| J533 | Data bus diagnostic interface |
| R | Radio |
| T16 | 16-pin connector, in dash panel centre, self-diagnosis connection |
| T18b | 18-pin connector |
| T20 | 20-pin connector, green |
| T32a | 32-pin connector, green |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A80 | Connection -1- (X), in dash panel wiring harness |
| A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| ** | Only models with 'Delta' radio |
| -•-•- | Applies only to models with no 'Delta' radio |
| E45 | Cruise control system (CCS) switch |
| E20 | Switches and instruments illumination regulator |
| H1 | Dual tone horn |
| J... | Engine control unit |
| J453 | Multi-function steering wheel control unit, above the central electrics |
| T6c | 6-pin connector |
| T10e | 10-pin connector, black, in protective housing for connectors, on left in plenum chamber* |
| T10s | 10-pin connector, next to steering column |
| T18b | 18-pin connector |
| 12 | Earth point, on left in engine compartment |
| 120 | Earth connection 2, in headlight wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| A16 | Connection (CCS), in dash panel wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| A90 | Connection (dual tone horn), in dash panel wiring harness |
| * | ⇒ Current Flow Diagram CCS/engine |
| -•-•- | Not with 'Delta' radio |