Wiring Diagram VW TRANSPORTER 2003 - Radio - loudspeaker - front left

| D | Ignition/starter switch |
| J285 | Control unit with display in dash panel insert |
| R | Radio |
| R20 | Treble loudspeaker, front left |
| R21 | Bass loudspeaker, front left |
| SB9 | Fuse -9- in fuse box/relay plate, below the relay plate |
| T1e | Single connector, behind relay plate |
| T2 | 2-pin connector, behind relay plate, up to August 2000 |
| T2a | 2-pin connector |
| T2e | 2-pin connector, in driver's door |
| T2i | 2-pin connector |
| T4h | 4-pin connector, behind relay plate, from September 2000 |
| T6a | 6-pin connector, behind relay plate |
| T8 | 8-pin connector |
| T8a | 8-pin connector |
| T16 | 16-pin connector, self-diagnosis |
| T20 | 20-pin connector |
| T32 | 32-pin connector, on dash panel insert |
| TV13 | Terminal for speed signal, blue |
| W | Interior light, front |
| 45 | Earth point, behind dash panel - centre |
| A40 | Positive (+) connection -1- (30), in instruments wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Up to August 2000 |
| --- | From September 2000 |
Wiring Diagram VW TRANSPORTER 2003 - Operating electronics control unit - window aerial - telephone microphone - mobile telephone - telephone aerial - aerial amplifier
| E20 | Switches and instruments, lighting control |
| J412 | Operating electronics control unit, behind dash panel insert |
| L39 | Heated rear window switch bulb |
| L75 | Digital display illumination |
| R24 | Aerial amplifier, behind the dash panel, right |
| R31 | Windscreen aerial |
| R38 | Telephone microphone, on part of left A-pillar |
| R54 | Mobile telephone |
| R65 | Telephone aerial |
| SB4 | Fuse -4- in fuse box/relay plate, below the relay plate |
| T1 | Single connector, near aerial amplifier |
| T1a | Single connector, on lower part of right A-pillar |
| T2b | 2-pin connector |
| T2z | 2-pin connector, behind relay plate |
| T18 | 18-pin connector |
| T32 | 32-pin connector, on dash panel insert |
| TV2 | Terminal 30 junction box, red, both have 6-pin |
| TV8 | Terminal 58b junction box, grey |
| 45 | Earth point, behind dash panel - centre |
| A53 | Positive (+) connection (58b), in dash panel wiring harness |
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