Wiring Diagram VW TRANSPORTER 2017 - Switch and instrument illumination regulator - Onboard supply control unit - Left footwell light - Right footwell light - Rear left footwell light - Rear right footwell light

| E20 | Switch and instrument illumination regulator |
| J519 | Onboard supply control unit |
| J602 | Interior light relay |
| SF2 | Fuse 2 in fuse holder F |
| SD4 | Fuse 4 on fuse holder D |
| T6ac | 6-pin connector, black |
| T73b | 73-pin connector, white |
| W9 | Left footwell light |
| W10 | Right footwell light |
| W45 | Rear left footwell light |
| W46 | Rear right footwell light |
| 366 | Earth connection 1, in main wiring harness |
| 368 | Earth connection 3, in main wiring harness |
| 378 | Earth connection 13, in main wiring harness |
| 387 | Earth connection 22, in main wiring harness |
| 636 | Earth point, onboard supply control unit |
| B300 | Positive connection 4 (30), in main wiring harness |
| B340 | Connection 1 (58d), in main wiring harness |
| B642 | Positive connection (58), in main wiring harness |
| B726 | Positive connection 2 (58), in main wiring harness |
| * | Only right-hand drive models |
| *2 | Only left-hand drive models |
Wiring Diagram VW TRANSPORTER 2017 - Light for driver door ambient lighting - Light for passenger door ambient lighting - Light 2 for driver door ambient lighting - Light 2 for passenger door ambient lighting
| T17l | 17-pin connector, black, on left A-pillar |
| T17r | 17-pin connector, black, on right A-pillar |
| W86 | Light for driver door ambient lighting |
| W87 | Light for passenger door ambient lighting |
| W97 | Light 2 for driver door ambient lighting |
| W98 | Light 2 for passenger door ambient lighting |
| 303 | Earth connection 3, in drive side door wiring harness |
| 304 | Earth connection 3, in front passenger side door wiring harness |
| 735 | Earth point in front right door |
| 740 | Earth point 2 in front left door |
| B726 | Positive connection 2 (58), in main wiring harness |
| R65 | Positive connection (58), in driver door wiring harness |
| R67 | Positive connection (58), in front passenger door wiring harness |
| * | Only left-hand drive models |
| *2 | Only right-hand drive models |
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