| D | Ignition/starter switch |
| J... | Engine control unit |
| J285 | Control unit with display in dash panel insert |
| R | Radio |
| S237 | Fuse in fuse holder |
| T8 | 8-pin connector, black, on radio |
| T10b | 10-pin connector, black, on protective housing for control units, left in engine compartment |
| T32a | 32-pin connector, blue, on dash panel insert |
| 610 | Earth point (audio), front below centre console |
| 501 | Screw connection -2- (30), on relay plate |
| A21 | Connection (86s), in dash panel wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| A60 | Connection (road speed signal), in dash panel wiring harness |
| E20 | Switches and instruments - lighting control |
| R | Radio |
| R20 | Treble loudspeaker, front left, in door |
| R21 | Bass loudspeaker, front left, in door |
| R22 | Treble loudspeaker, front right, in door |
| R23 | Bass loudspeaker, front right, in door |
| T3b | 3-pin connector, black, on lighting regulator |
| T4 | 4-pin connector, black, coupling station right A-pillar |
| T4a | 4-pin connector, black, coupling station right A-pillar |
| T4b | 4-pin connector, black, coupling station left A-pillar |
| T4c | 4-pin connector, black, coupling station left A-pillar |
| T8 | 8-pin connector, black, on radio |
| T8a | 8-pin connector, on radio |
| T8c | 8-pin connector, black, coupling station left A-pillar |
| T8d | 8-pin connector, black, coupling station right A-pillar |
| T16 | 16-pin connector, self-diagnosis connection, near handbrake lever |
| A19 | Connection (58d), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| R | Radio |
| R14 | Treble loudspeaker, rear left, in door |
| R15 | Bass loudspeaker, rear left, in door |
| R16 | Treble loudspeaker, rear right, in door |
| R17 | Bass loudspeaker, front right, in door |
| T4 | 4-pin connector, black, coupling station right A-pillar |
| T4b | 4-pin connector, black, left A-pillar coupling station |
| T6c | 6-pin connector, on left B-pillar |
| T6d | 6-pin connector, red, on right B-pillar |
| T8a | 8-pin connector, brown, on radio |
| T8c | 8-pin connector, black, coupling station left A-pillar |
| T8d | 8-pin connector, black, coupling station right A-pillar |
| R | Radio |
| R11 | Aerial |
| R24 | Aerial amplifier |
| R41 | CD changer, in luggage compartment |
| T10t | 10-pin connector, black, right A-pillar coupling station |
| T12 | 12-pin connector, red, on CD changer |
| T20 | 20-pin connector |
| 309 | Earth connection -1-, screening, in CD changer wiring harness |
| 310 | Earth connection -2-, screening, in CD changer wiring harness |
| 311 | Earth connection -3-, screening, in CD changer wiring harness |
| 610 | Earth point (audio), front below centre console |