Wiring Diagram VW TRANSPORTER 2017 - Ignition/starter switch - Onboard supply control unit - Voltage stabiliser - Fuse 56 on fuse holder C

| D | Ignition/starter switch |
| J519 | Onboard supply control unit |
| J532 | Voltage stabiliser |
| J623 | Engine control unit |
| J907 | Starter relay 2 |
| SC56 | Fuse 56 on fuse holder C |
| T10bj | 10-pin connector, yellow, under driver seat |
| T10m | 10-pin connector, light pink, in E-box |
| T12ad | 12-pin connector, black |
| T73b | 73-pin connector, white |
| T94 | 94-pin connector, black |
| B239 | Positive connection 1 (50), in interior wiring harness |
| B276 | Positive connection (50), in main wiring harness |
| B555 | Positive connection 2 (50), in main wiring harness |
| D107 | Connection 5 in engine compartment wiring harness |
| * | see applicable current flow diagram for engine |
| *2 | Only models with diesel engine |
| *3 | Only models with Euro 5 emission standard |
| *4 | Only models with petrol engine |
| *5 | Wire could be cut by special vehicle manufacturer |
| *6 | Only models with start/stop system |
| *7 | Only models with Euro 6 emission standard |
Wiring Diagram VW TRANSPORTER 2017 - Onboard supply control unit - Fuse holder D
| D | Ignition/starter switch |
| J519 | Onboard supply control unit |
| SD | Fuse holder D |
| SD6 | Fuse 6 on fuse holder D |
| SD7 | Fuse 7 on fuse holder D |
| SD8 | Fuse 8 on fuse holder D |
| SD9 | Fuse 9 on fuse holder D |
| SD10 | Fuse 10 on fuse holder D |
| SD11 | Fuse 11 on fuse holder D |
| SC24 | Fuse 24 on fuse holder C |
| T6bn | 6-pin connector, grey, under driver seat |
| T10bh | 10-pin connector, purple, under driver seat |
| T10bj | 10-pin connector, yellow, under driver seat |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| B138 | Positive connection (X), in interior wiring harness |
| B142 | Positive connection 2 (56a), in interior wiring harness |
| B273 | Positive connection (15), in main wiring harness |
| B456 | Connection (56b), in main wiring harness |
| B650 | Connection 8, in interior wiring harness |
| E117 | Connection (56a, left), in dash panel wiring harness |
| * | see applicable current flow diagram for fuse assignment |
| *2 | Only models with fog lights |
Wiring Diagram VW TRANSPORTER 2017 - Switch and instrument illumination regulator - Onboard supply control unit - Fuse holder D
| E20 | Switch and instrument illumination regulator |
| J519 | Onboard supply control unit |
| M21 | Left brake and tail light bulb |
| SC55 | Fuse 55 on fuse holder C |
| SD | Fuse holder D |
| SD12 | Fuse 12 on fuse holder D |
| T6ac | 6-pin connector, black |
| T6bn | 6-pin connector, grey, under driver seat |
| T10bh | 10-pin connector, purple, under driver seat |
| T17n | 17-pin connector, light green, under driver seat |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| B144 | Positive connection (58L), in interior wiring harness |
| B336 | Connection 2 (54), in main wiring harness |
| B337 | Connection 3 (54), in main wiring harness |
| B340 | Connection 1 (58d), in main wiring harness |
| B341 | Connection 2 (58d), in main wiring harness |
| B518 | Connection (86s), in main wiring harness |
| * | see applicable current flow diagram for fuse assignment |
| *2 | Wire could be cut by special vehicle manufacturer |
| *3 | Only models with dimmable instrument illumination |
| *4 | Only models with no dimmable instrument illumination |
Wiring Diagram VW TRANSPORTER 2017 - Turn signal switch - Handbrake warning switch - Control unit in dash panel insert - Onboard supply control unit
| E2 | Turn signal switch |
| F9 | Handbrake warning switch |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| T6bn | 6-pin connector, grey, under driver seat |
| T10bj | 10-pin connector, yellow, under driver seat |
| T32 | 32-pin connector, blue |
| T41 | 41-pin connector, grey |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| B173 | Positive connection 2 (X), in interior wiring harness |
| B186 | Connection 2 (LTS), in interior wiring harness |
| B187 | Connection 2 (RTS), in interior wiring harness |
| B464 | Connection (speed signal), in main wiring harness |
| B527 | Connection (handbrake), in main wiring harness |
| C13 | Positive connection in dual tone horn wiring harness |
| * | Only models with no special police equipment |
Wiring Diagram VW TRANSPORTER 2017 - Reversing light switch - Onboard supply control unit - Fuse 8 in fuse holder A - Fuse 30 in fuse holder H - Fuse 34 on fuse holder C
| F4 | Reversing light switch |
| J519 | Onboard supply control unit |
| SA8 | Fuse 8 in fuse holder A |
| SH30 | Fuse 30 in fuse holder H |
| SC34 | Fuse 34 on fuse holder C |
| T6bn | 6-pin connector, grey, under driver seat |
| T10a | 10-pin connector, brown, in E-box |
| T10bh | 10-pin connector, purple, under driver seat |
| T73b | 73-pin connector, white |
| B169 | Positive connection 1 (30), in interior wiring harness |
| B284 | Positive connection 8 (15a) in main wiring harness |
| B299 | Positive connection 3 (30), in main wiring harness |
| B520 | Connection (RL), in main wiring harness |
| * | see applicable current flow diagram for fuse assignment |
| *2 | Only models with no second battery |
| *3 | Only models with manual gearbox |
| *4 | Only models with internet access |
| *5 | Only models with second battery |
| *6 | According to equipment |
Wiring Diagram VW TRANSPORTER 2017 - Onboard supply control unit - Special vehicle control unit - Fuse 2 on fuse holder D
| J519 | Onboard supply control unit |
| J608 | Special vehicle control unit |
| SD2 | Fuse 2 on fuse holder D |
| SC4 | Fuse 4 on fuse holder C |
| T12al | 12-pin connector, black, under front passenger seat |
| T16u | 16-pin connector, brown, under front passenger seat |
| T73b | 73-pin connector, white |
| 35 | Earth point, under front passenger seat |
| 385 | Earth connection 20, in main wiring harness |
| B300 | Positive connection 4 (30), in main wiring harness |
| B329 | Positive connection 15 (30a) in main wiring harness |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| * | see applicable current flow diagram for fuse assignment |
| *2 | Only models with special vehicle control unit |
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