Wiring Diagram VW TRANSPORTER 2017 - Onboard supply control unit - Fuse 5 on fuse holder C - Fuse 19 on fuse holder C - Fuse 20 on fuse holder C - Front interior light

| J519 | Onboard supply control unit |
| SC5 | Fuse 5 on fuse holder C |
| SC19 | Fuse 19 on fuse holder C |
| SC20 | Fuse 20 on fuse holder C |
| T10ab | 10-pin connector, white, in left A-pillar coupling station |
| T10ag | 10-pin connector, brown, in left A-pillar coupling station |
| T73a | 73-pin connector, black |
| W1 | Front interior light |
| B250 | Positive connection, in roof wiring harness |
| B315 | Positive connection 1 (30a) in main wiring harness |
| B323 | Positive connection 9 (30a) in main wiring harness |
| R6 | Positive connection 1, in interior light wiring harness |
| * | see applicable current flow diagram for fuse assignment |
| *2 | According to equipment |
| *3 | see applicable current flow diagram for interior lights |
Wiring Diagram VW TRANSPORTER 2017 - Onboard supply control unit - Front left entry light - Front right entry light - Rear left entry light - Rear right entry light
| E390 | Interior lighting central switch button |
| J519 | Onboard supply control unit |
| T2ao | 2-pin connector, black, behind lower section of left B-pillar trim |
| T8al | 8-pin connector, black, near front interior light |
| T10ab | 10-pin connector, white, in left A-pillar coupling station |
| T10bk | 10-pin connector, grey, under front passenger seat |
| T10q | 10-pin connector, green, under driver seat |
| T17k | 17-pin connector, green, in left A-pillar coupling station |
| T73a | 73-pin connector, black |
| W31 | Front left entry light |
| W32 | Front right entry light |
| W33 | Rear left entry light |
| W34 | Rear right entry light |
| A144 | Connection (interior monitoring) in dash panel wiring harness |
| B129 | Connection (interior light, 31l), in interior wiring harness |
| B264 | Connection 1, in roof wiring harness |
| B315 | Positive connection 1 (30a) in main wiring harness |
| * | According to equipment |
| *2 | see applicable current flow diagram for interior lights |
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