Wiring Diagram VW CROSS FOX 2017 - Battery - Starter - Alternator - Voltage regulator - Onboard supply control unit

| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| S162 | Fuse 1 (30), in battery fuse holder |
| S163 | Fuse 2 (30), in battery fuse holder |
| T1j | Single connector |
| T2ak | 2-pin connector, in engine compartment |
| T2ar | 2-pin connector |
| T14a | 14-pin connector, in engine compartment |
| T73a | 73-pin connector |
| 1 | Earth strap, battery - body |
| 49 | Earth point, near ..., near battery |
| 507 | Threaded connection (30), on battery fuse holder |
| * | Only for engines with 2-valve cylinder head |
| *2 | Only for engines with 4-valve cylinder head |
| *3 | Only models with onboard supply control unit BFM |
| *4 | Only models with onboard supply control unit BCM |
| *5 | Only models with air conditioning system |
Wiring Diagram VW CROSS FOX 2017 - X-contact relief relay - Terminal 15 relief relay - Onboard supply control unit
| E1 | Light switch |
| J59 | X-contact relief relay |
| J404 | Terminal 15 relief relay |
| J519 | Onboard supply control unit |
| T6d | 6-pin connector |
| T9s | 9-pin connector |
| T17a | 17-pin connector |
| T73a | 73-pin connector |
| 366 | Earth connection 1, in main wiring harness |
| 606 | Earth point, under the centre console near gear stick |
| B298 | Positive connection 2 (30), in main wiring harness |
| B299 | Positive connection 3 (30), in main wiring harness |
| B300 | Positive connection 4 (30), in main wiring harness |
| B316 | Positive connection 2 (30a) in main wiring harness |
| * | Only models with air conditioning system |
| *2 | Only models with onboard supply control unit BFM |
| *3 | Only models with engine start assist |
| *4 | Only models with onboard supply control unit BCM |
Wiring Diagram VW CROSS FOX 2017 - Ignition/starter switch - Onboard supply control unit
| D | Ignition/starter switch |
| J519 | Onboard supply control unit |
| T7a | 7-pin connector |
| T73a | 73-pin connector |
| B346 | Connection 1 (75), in main wiring harness |
| B518 | Connection (86s), in main wiring harness |
| B555 | Positive connection 2 (50), in main wiring harness |
| B626 | Positive connection 2 (15), in main wiring harness |
| * | Only models with onboard supply control unit BFM |
| *2 | Only models with onboard supply control unit BCM |
| *3 | Only models with engine start assist |
Wiring Diagram VW CROSS FOX 2017 - Onboard supply control unit
| J519 | Onboard supply control unit |
| SA2 | Fuse 2 in fuse holder A |
| SA5 | Fuse 5 in fuse holder A |
| SB38 | Fuse 38 on fuse holder B |
| T73b | 73-pin connector |
| T73c | 73-pin connector |
| B273 | Positive connection (15), in main wiring harness |
| B277 | Positive connection 1 (15a) in main wiring harness |
| B301 | Positive connection 5 (30), in main wiring harness |
| * | Only models with onboard supply control unit BCM |
| *2 | Only for engines with 2-valve cylinder head |
| *3 | Only for engines with 4-valve cylinder head |
Wiring Diagram VW CROSS FOX 2017 - Radio - Rear left bass loudspeaker - Rear right bass loudspeaker
| R | Radio |
| R15 | Rear left bass loudspeaker |
| R17 | Rear right bass loudspeaker |
| T2cb | 2-pin connector |
| T2cc | 2-pin connector |
| T4y | 4-pin connector, in rear right door |
| T4z | 4-pin connector, in rear left door |
| T8f | 8-pin connector |
| T8g | 8-pin connector |
| B324 | Positive connection 10 (30a) in main wiring harness |
| B340 | Connection 1 (58d), in main wiring harness |
| B341 | Connection 2 (58d), in main wiring harness |
| * | Only models with onboard supply control unit BCM |
| *2 | Only models with onboard supply control unit BFM |
Wiring Diagram VW CROSS FOX 2017 - Radio - Aerial - Front left treble loudspeaker - Front left bass loudspeaker - Front right treble loudspeaker - Front right bass loudspeaker
| R | Radio |
| R11 | Aerial |
| R20 | Front left treble loudspeaker |
| R21 | Front left bass loudspeaker |
| R22 | Front right treble loudspeaker |
| R23 | Front right bass loudspeaker |
| R24 | Aerial amplifier |
| T2bb | 2-pin connector |
| T2bc | 2-pin connector |
| T2bd | 2-pin connector |
| T2t | 2-pin connector |
| T5s | 5-pin connector, in driver door |
| T5t | 5-pin connector, in front passenger door |
| T8g | 8-pin connector |
| B101 | Connection (positive, front left speaker), in main wiring harness |
| B102 | Connection (negative, front left speaker), in main wiring harness |
| B103 | Connection (positive, front right speaker), in main wiring harness |
| B104 | Connection (negative, front right speaker), in main wiring harness |
Wiring Diagram VW CROSS FOX 2017 - Rev. counter - Speedometer - Control unit in dash panel insert - Dash panel insert - Alternator warning lamp
| G5 | Rev. counter |
| G21 | Speedometer |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| T32a | 32-pin connector |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| * | Only models with onboard supply control unit BFM |
| *2 | Only models with onboard supply control unit BCM |
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