Wiring Diagram AUDI TT 2004 - Radio Bose sound system Concert with and without CD changer
| J429 | Central locking control unit |
| R | Radio |
| S242 | Fuse 42 in fuse box |
| T8 | 8-pin connector, black, radio connector III |
| T16 | 16-pin connector, black, shelf on driver's side (diagnosis connection) |
| 45 | Earth point, behind dash panel - centre |
| 255 | Earth connection, in radio wiring harness |
| A46 | Positive (+) connection (30 - from radio), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Models with anti-theft alarm system |
Wiring Diagram AUDI TT 2004 - Radio Bose sound system Concert with and without CD changer
| J285 | Control unit with display in dash panel insert |
| R | Radio |
| R41 | CD changer |
| T6k | 6-pin connector, green, radio connector I-2 |
| T8c | 8-pin connector, blue, radio connector I-3 |
| T32b | 32-pin connector, grey, on dash panel insert |
| A148 | Connection (navigation CAN bus, high), in dash panel wiring harness |
| A149 | Connection (navigation CAN bus, low), in dash panel wiring harness |
| V14 | Connection (screening), in CD changer wiring harness |
| • | CAN bus (data wire) |
| * | Models with CD changer |
Wiring Diagram AUDI TT 2004 - Radio Bose sound system Concert with and without CD changer
| J401 | Navigation system with CD drive control unit |
| J412 | Operating electronics control unit, mobile phone |
| R | Radio |
| R1 | Aerial connection |
| R11 | Aerial |
| R12 | Amplifier |
| R51 | Radio/telephone aerial (rod aerial) |
| R86 | Aerial amplifier, mobile telephone (compensor) |
| R87 | Aerial filter |
| T8m | 8-pin connector, connector C III, on navigation control unit |
| T10k | 10-pin connector, red, radio connector IV |
| T54 | 54-pin connector, on operating electronics control unit, mobile phone |
| 45 | Earth point, behind dash panel - centre |
| 50 | Earth point, luggage compartment, left |
| 255 | Earth connection, in radio wiring harness |
| * | Models without mobile phone/telephone |
| ** | Models with mobile phone |
| *** | Models with navigation system 'NS Low' |
Wiring Diagram AUDI TT 2004 - Radio Bose sound system Concert with and without CD changer
| F172 | Convertible top front latch switch |
| J429 | Central locking control unit |
| R | Radio |
| R12 | Amplifier |
| S12 | Fuse in fuse box |
| T6h | 6-pin connector, yellow, radio connector I-1 |
| 255 | Earth connection, in radio wiring harness |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
| 280 | Earth connection (screening), in communication systems wiring harness |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| Q48 | Connection (open), in interior wiring harness |
Wiring Diagram AUDI TT 2004 - Radio Bose sound system Concert with and without CD changer
| R12 | Amplifier |
| R15 | Bass loudspeaker, rear left |
| R16 | Treble loudspeaker, rear right |
| R20 | Treble loudspeaker, front left |
| R21 | Bass loudspeaker, front left |
| R22 | Treble loudspeaker, front right |
| R23 | Bass loudspeaker, front right |
| R70 | Front loudspeaker, centre |
| R71 | Rear loudspeaker, centre |
| R74 | Internal microphone |
| T2al | 2-pin connector, behind dash panel insert |
| T10q | 10-pin connector, green, connector carrier, A pillar, left |
| T10r | 10-pin connector, green, connector carrier, A pillar, right |
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