Wiring Diagram SKODA OCTAVIA 1999 - Operating electronics control unit/telephone (interface Box) - telephone microphone - mobile telephone

| D | Ignition/starter switch |
| J412 | Operating electronics control unit/telephone (interface box) |
| R38 | Telephone microphone |
| R54 | Mobile telephone |
| T2r | 2-pin connector, at telephone microphone |
| T8c | 8-pin connector, at ignition/starter switch |
| T13b | 13-pin connector, for telephone |
| T18c | 18-pin connector, at operating electronics control unit/telephone (interface box) |
| A2 | Positive connection (15), in wiring harness behind dash panel |
| A4 | Positive connection (58b), in wiring harness behind dash panel |
| A27 | Connection (speed signal), in wiring harness behind dash panel, left |
Wiring Diagram SKODA OCTAVIA 1999 - Operating electronics control unit/telephone (interface box) - aerial
| J412 | Operating electronics control unit/telephone (interface box) |
| R | Radio |
| R51 | Radio/telephone/auxiliary heater aerial |
| S242 | Fuse in fuse holder |
| T8d | 8-pin connector, at radio (black) |
| T18c | 18-pin connector, at operating electronics control unit/telephone (interface box) |
| T20b | 20-pin connector, on radio (only for vehicles with telephone system) |
| 45 | Earth point, behind dash panel |
| 255 | Earth connection -1-, in wiring harness behind dash panel (radio, telephone system) |
| A98 | Positive connection (30Ra), in wiring harness behind dash panel |
| * | Radio aerial cable |
| ** | Telephone aerial cable |
| *** | not valid for radio Grundig |
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