Wiring Diagram VW TRANSPORTER 2003 - Fresh air blower front - fresh air blower switch - air conditioner switch - fresh and recirculating air flap two- way valve - temperature switch for evaporator
| E9 | Fresh air blower switch |
| E33 | Temperature switch for evaporator |
| E35 | Air conditioner switch |
| E159 | Fresh air/air recirculating flap switch |
| K114 | Fresh air/air recirculation warning lamp |
| L16 | Fresh air controls light bulb |
| N24 | Fresh air blower with overheating fuse series resistor |
| N63 | Fresh and recirculating air flap two-way valve |
| T1v | Single connector, behind relay plate |
| T2q | 2-pin connector, behind relay plate |
| T4a | 4-pin connector |
| T5f | 5-pin connector |
| T8a | 8-pin connector |
| T8h | 8-pin connector, behind dash panel, centre |
| V2 | Fresh air blower |
| 33 | Earth point, behind dash panel, right |
| 110 | Earth connection -2-, in instruments wiring harness |
| A53 | Positive (+) connection (58b), in dash panel wiring harness |
| A61 | Positive (+) connection (X), in instruments wiring harness |
| L5 | Connection -1-, in air conditioner wiring harness |
Wiring Diagram VW TRANSPORTER 2003 - Warm air blower relay
| E3 | Hazard warning light switch |
| J14 | Warm air blower relay, control number (53), behind dash panel, centre |
| SB15 | Fuse -15- on fuse box/relay plate, below the relay plate |
| T8b | 8-pin connector, on hazard warning light switch |
| T8g | 8-pin connector, behind relay plate |
| 110 | Earth connection -2-, in dash panel wiring harness |
Wiring Diagram VW TRANSPORTER 2003 - Relay for air conditioner - air conditioning system magnetic coupling
| A | Battery |
| J32 | Air conditioning system relay, control number (140), with ½ second switching delay |
| J169 | Digifant control unit, in engine compartment, left |
| N25 | Air conditioning system magnetic coupling |
| SA2 | Fuse -2- on battery fuse box |
| SA3 | Fuse -3- on battery fuse box |
| SB14 | Fuse -14- on fuse box/relay plate, below the relay plate |
| T1q | Single connector, behind relay plate |
| T1u | Steckverbindung, 1-fach, hinter der Relaisplatte |
| T2 | 2-pin connector, near compressor |
| T3i | 3-pin connector, behind relay plate |
| T6e | 6-pin connector, behind relay plate |
| T45 | 45-pin connector, on Digifant control unit |
| V51 | Continued coolant circulation pump |
| 110 | Earth connection -2-, in dash panel wiring harness |
| 194 | Earth connection -2-, in radiator fan wiring harness |
| K26 | Connection -5-, in radiator fan wiring harness |
Wiring Diagram VW TRANSPORTER 2003 - Radiator fan - radiator fan thermo-switch - air conditioner pressure switch - radiator fan relay
| A | Battery |
| F18 | Radiator fan thermo-switch |
| F129 | Air conditioner pressure switch |
| F163 | Air conditioner shut-off thermo-switch |
| F165 | Radiator fan thermo-switch |
| J26 | Radiator fan relay |
| N39 | Radiator fan series resistor |
| T2e | 2-pin connector |
| T2f | 2-pin connector |
| T4a | 4-pin connector |
| T4b | 4-pin connector |
| T4c | 4-pin connector |
| T6e | 6-pin connector, behind relay plate |
| V7 | Radiator fan, left (350 W) |
| V35 | Radiator fan, right (350 W) |
| 193 | Earth connection -1-, in radiator fan wiring harness |
| 194 | Earth connection -2-, in radiator fan wiring harness |
| K21 | Connection -1-, in radiator fan wiring harness |
| K22 | Connection -2-, in radiator fan wiring harness |
| K25 | Connection -4-, in radiator fan wiring harness |
| K26 | Connection -5-, in radiator fan wiring harness |
Wiring Diagram VW TRANSPORTER 2003 - Rear fresh air blower - fresh air blower switch - relay for rear fresh and recirculating air flap
| E179 | Rear fresh air blower switch |
| J353 | Rear fresh air/air recirculation flap relay, control number (94), behind dash panel, centre |
| N10 | Rear fresh air blower series resistor |
| N45 | Rear fresh air/air recirculation flap two- way valve |
| T2q | 2-pin connector, behind relay plate |
| T2s | 2-pin connector, behind dash panel, right |
| T2u | 3-pin connector, behind dash panel, right |
| T2v | 2-pin connector |
| T2w | 2-pin connector |
| T2x | 2-pin connector, behind steering column right D pillar trim |
| T2y | 2-pin connector |
| T4l | 4-pin connector, behind relay plate |
| T4m | 4-pin connector |
| T4n | 4-pin connector |
| V80 | Rear fresh air blower |
| 30 | Earth point, next to relay plate |
| 79 | Earth point, behind lower right D pillar |
| L54 | Positive connection (3rd blower speed), in passenger compartment ventilation fan wiring harness |
Wiring Diagram VW TRANSPORTER 2003 - Warm air blower switch - rear warm air blower
| E100 | Warm air blower switch |
| J162 | Heater control unit, control number (152), behind dash panel, centre |
| L83 | Warm air blower switch illumination |
| N72 | Series resistance for warm air blower |
| N82 | Coolant shut-off valve |
| T2r | 2-pin connector, behind relay plate |
| T3a | 3-pin connector |
| T3h | 3-pin connector, behind relay plate |
| T4o | 4-pin connector |
| T5e | 5-pin connector |
| T8g | 8-pin connector, behind relay plate |
| V47 | Rear warm air blower, in rear of passenger compartment wiring harness |
| 30 | Earth point -1-, next to relay plate |
| 110 | Earth connection -2-, in instruments wiring harness |
| W3 | Connection, in rear wiring harness |
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