Wiring Diagram VW TRANSPORTER 2017 - Interior monitoring switch - Onboard supply control unit - Fuse 5 on fuse holder C - Front interior light

| E183 | Interior monitoring switch |
| E326 | Front interior light button |
| E457 | Driver side reading light button |
| E458 | Front passenger side reading light button |
| J519 | Onboard supply control unit |
| SC5 | Fuse 5 on fuse holder C |
| T6bc | 6-pin connector, blue |
| T10ab | 10-pin connector, white, in left A-pillar coupling station |
| T73a | 73-pin connector, black |
| W1 | Front interior light |
| W13 | Front passenger reading light |
| W19 | Driver side reading light |
| 347 | Earth connection, in roof wiring harness |
| 639 | Earth point, left A-pillar |
| A144 | Connection (interior monitoring) in dash panel wiring harness |
| B315 | Positive connection 1 (30a) in main wiring harness |
| R6 | Positive connection 1, in interior light wiring harness |
| * | For models with anti-theft alarm system |
| *2 | Only models with reading lights |
Wiring Diagram VW TRANSPORTER 2017 - Driver door contact switch - Front passenger door contact switch - Rear left door contact switch - Rear right door contact switch - Onboard supply control unit
| F2 | Driver door contact switch |
| F3 | Front passenger door contact switch |
| F10 | Rear left door contact switch |
| F11 | Rear right door contact switch |
| J519 | Onboard supply control unit |
| T8aa | 8-pin connector, black, on left B-pillar |
| T8ab | 8-pin connector, black, on right B-pillar |
| T10ak | 10-pin connector, black, in right A-pillar coupling station |
| T17l | 17-pin connector, black, in left A-pillar coupling station |
| T73a | 73-pin connector, black |
| * | see applicable current flow diagram for window regulators/ basic equipment/ convenience system |
| *2 | Only models with double cab |
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