Wiring Diagram VW TRANSPORTER 2017 - Driver seat lumbar support adjustment switch - Front passenger seat lumbar support adjustment switch - Fuse 12 in fuse holder H - Driver seat lumbar support longitudinal adjustment motor - Front passenger seat lumbar support longitudinal adjustment motor

| E176 | Driver seat lumbar support adjustment switch |
| E177 | Front passenger seat lumbar support adjustment switch |
| SA8 | Fuse 8 in fuse holder A |
| SH12 | Fuse 12 in fuse holder H |
| T2dd | 2-pin connector, black, under driver seat |
| T2y | 2-pin connector, black, under front passenger seat |
| V125 | Driver seat lumbar support longitudinal adjustment motor |
| V126 | Front passenger seat lumbar support longitudinal adjustment motor |
| V129 | Driver seat lumbar support height adjustment motor |
| V130 | Front passenger seat lumbar support height adjustment motor |
| 366 | Earth connection 1, in main wiring harness |
| 387 | Earth connection 22, in main wiring harness |
| 636 | Earth point, onboard supply control unit |
| B169 | Positive connection 1 (30), in interior wiring harness |
| B299 | Positive connection 3 (30), in main wiring harness |
| B328 | Positive connection 14 (30a) in main wiring harness |
| * | Only models with no electrically adjustable seat on driver side |
| *2 | Only models with no second battery |
| *3 | According to equipment |
| *4 | Only models with second battery |
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