Wiring Diagram VW TRANSPORTER 2003 - Warning buzzer for excessive speed - switch for differential lock warning lamp - differential lock warning lamp

| E20 | Switches and instruments, lighting control |
| F193 | Differential lock warning lamp switch |
| H10 | Excessive road speed warning buzzer behind dash panel insert, right |
| K81 | Differential lock warning lamp |
| L39 | Heated rear window switch bulb |
| L55 | Differential lock indicator illumination |
| L75 | Digital display illumination |
| T1j | Single connector, behind relay plate |
| T1l | Single connector, behind relay plate |
| T1o | Single connector, behind relay plate |
| T32 | 32-pin connector, on dash panel insert |
| TV8 | Terminal 58b junction box, grey |
| TV13 | Terminal for speed signal, blue |
| 30 | Earth point -1-, next to relay plate |
| A53 | Connection (58b), in dash panel wiring harness |
Wiring Diagram VW TRANSPORTER 2003 - Control unit for freewheel lock - freewheel lock valve - clutch pedal switch
| F4 | Reversing light switch |
| F194 | Clutch pedal switch |
| J173 | Freewheel lock control unit, behind dash panel, centre |
| M16 | Reversing light bulb, left |
| M17 | Reversing light bulb, right |
| N87 | Freewheel lock valve |
| T1w | Single connector, behind relay plate |
| T2b | Single connector, behind relay plate |
| T2c | 2-pin connector, behind relay plate |
| T3 | 3-pin connector |
| TV5 | Terminal 15a junction box, green, 4-pin and 8-pin |
| 30 | Earth point -1-, next to relay plate |
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