Wiring Diagram VW TRANSPORTER 2017 - Switch for roof ventilator to ventilate load area - Switch-over relay 1 for roof ventilator - Fuse 24 in fuse holder F

| E534 | Switch for roof ventilator to ventilate load area |
| J180 | Switch-over relay 1 for roof ventilator |
| K99 | Changeover switch warning lamp for roof ventilator |
| L81 | Roof ventilator switch illumination bulb |
| SF24 | Fuse 24 in fuse holder F |
| T6aq | 6-pin connector, blue |
| 375 | Earth connection 10, in main wiring harness |
| B169 | Positive connection 1 (30), in interior wiring harness |
| B320 | Positive connection 6 (30a) in main wiring harness |
| B342 | Connection 3 (58d), in main wiring harness |
| B479 | Connection 15, in main wiring harness |
| B480 | Connection 16, in main wiring harness |
Wiring Diagram VW TRANSPORTER 2017 - Switch for roof ventilator to extract air from load area - Roof ventilator
| E20 | Switch and instrument illumination regulator |
| E535 | Switch for roof ventilator to extract air from load area |
| J519 | Onboard supply control unit |
| K99 | Changeover switch warning lamp for roof ventilator |
| L81 | Roof ventilator switch illumination bulb |
| T6ac | 6-pin connector, black |
| T6ar | 6-pin connector, green |
| T10ag | 10-pin connector, brown, in left A-pillar coupling station |
| T73b | 73-pin connector, black |
| V3 | Roof ventilator |
| 367 | Earth connection 2, in main wiring harness |
| 368 | Earth connection 3, in main wiring harness |
| 375 | Earth connection 10, in main wiring harness |
| 636 | Earth point, onboard supply control unit |
| B340 | Connection 1 (58d), in main wiring harness |
| B341 | Connection 2 (58d), in main wiring harness |
| B342 | Connection 3 (58d), in main wiring harness |
| B479 | Connection 15, in main wiring harness |
| B480 | Connection 16, in main wiring harness |
| * | Only models with dimmable instrument illumination |
| *2 | Only models with no dimmable instrument illumination |
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