Wiring Diagram VW POLO 2007 - Battery - starter - alternator - voltage regulator - onboard supply control unit
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J519 | Onboard supply control unit |
| S162 | Fuse 1 (30) in fuse holder on battery |
| S163 | Fuse 2 (30) in fuse holder on battery |
| S178 | Fuse 6 (30) in fuse holder on battery |
| S179 | Fuse 7 (30) in fuse holder on battery |
| T1a | Single pin connector, on starter |
| T2x | 2-pin connector, near dual tone horn |
| T2y | 2-pin connector, on alternator |
| T6q | 6-pin connector, in left engine compartment |
| T11d | 11-pin connector, in left engine compartment |
| T18a | 18-pin connector, on onboard supply control unit |
| 1 | Earth strap, battery - body |
| 507 | Screw connection (30), on fuse holder on battery |
| 621 | Earth point, onboard supply battery |
Wiring Diagram VW POLO 2007 - Ignition/starter switch - onboard supply control unit
| D | Ignition/starter switch |
| E19 | Parking light switch |
| J17 | Fuel pump relay |
| J519 | Onboard supply control unit |
| J643 | Fuel supply relay |
| SB10 | Fuse 10 on fuse holder |
| T5f | 5-pin connector, on fuel supply relay |
| T6l | 6-pin connector, on fuel pump relay |
| T8a | 8-connector, on ignition/starter switch |
| T18a | 18-pin connector, on onboard supply control unit |
| T41a | 41-pin connector, on turn signal switch |
| B111 | Positive connection 1 (30a), in interior wiring harness |
| B491 | Positive connection (75), in interior wiring harness |
| B500 | Connection (86s), in interior wiring harness |
| B503 | Positive connection 7 (30a), in interior wiring harness |
Wiring Diagram VW POLO 2007 - Onboard supply control unit - data bus diagnostic interface
| E4 | Headlight dipper/flasher switch |
| J59 | X-contact relief relay |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| SB26 | Fuse 26 on fuse holder |
| SB27 | Fuse 27 on fuse holder |
| SB29 | Fuse 29 on fuse holder |
| T3c | 3-pin connector, in left engine compartment |
| T6j | 6-pin connector, on X-contact relief relay |
| T16a | 16-pin connector, on onboard supply control unit |
| T16b | 16-pin connector, near relay station |
| T18a | 18-pin connector, on onboard supply control unit |
| T41a | 41-pin connector, on turn signal switch |
| B150 | Positive connection 2 (30a), in interior wiring harness |
| B156 | Positive connection (30a), in interior wiring harness |
| B159 | Connection (diagnosis), in interior wiring harness |
| B231 | Positive connection 5 (30a), in interior wiring harness |
Wiring Diagram VW POLO 2007 - Onboard supply control unit - ABS control unit with EDL - front right and left ABS inlet valve - front right and left ABS outlet valve
| J104 | ABS control unit with EDL |
| J519 | Onboard supply control unit |
| M9 | Left brake light bulb |
| N99 | Front right ABS inlet valve |
| N100 | Front right ABS outlet valve |
| N101 | Front left ABS inlet valve |
| N102 | Front left ABS outlet valve |
| SB23 | Fuse 23 on fuse holder |
| T6b | 6-pin connector, on left rear fog light |
| T9a | 9-pin connector, in left engine compartment |
| T11a | 11-pin connector, in left engine compartment |
| T18a | 18-pin connector, on onboard supply control unit |
| T42a | 42-pin connector, on ABS control unit with EDL |
| B131 | Connection (54), in interior wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B165 | Positive connection 2 (15), in interior wiring harness |
| B492 | Positive connection 3 (15), in interior wiring harness |
| D73 | Positive connection (54), in engine compartment wiring harness |
Wiring Diagram VW POLO 2007 - Onboard supply control unit - ABS control unit with EDL - ABS return flow pump relay - ABS return flow pump
| J104 | ABS control unit with EDL |
| J105 | ABS return flow pump relay |
| J519 | Onboard supply control unit |
| M10 | Right brake light bulb |
| T6a | 6-pin connector, on right rear fog light |
| T11d | 11-pin connector, in left engine compartment |
| T42a | 42-pin connector, on ABS control unit with EDL |
| V39 | ABS return flow pump |
| B131 | Connection (54), in interior wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
Wiring Diagram VW POLO 2007 - front right and left speed sensor - solenoid valves relay - ABS - rear right and left ABS inlet valve - rear right and left ABS outlet valve
| G45 | Front right speed sensor |
| G47 | Front left speed sensor |
| J104 | ABS control unit with EDL |
| J106 | ABS solenoid valve relay |
| J519 | Onboard supply control unit |
| N133 | Rear right ABS inlet valve |
| N134 | Rear left ABS inlet valve |
| N135 | Rear right ABS outlet valve |
| N136 | Rear left ABS outlet valve |
| T2bi | 2-pin connector, on front left speed sensor |
| T2bk | 2-pin connector, on front right speed sensor |
| T9a | 9-pin connector, in left engine compartment |
| T42a | 42-pin connector, on ABS control unit with EDL |
Wiring Diagram VW POLO 2007 - Rear right and left speed sensor - ABS control unit with EDL - onboard supply control unit
| G44 | Rear right speed sensor |
| G46 | Rear left speed sensor |
| J104 | ABS control unit with EDL |
| J519 | Onboard supply control unit |
| T2bj | 2-pin connector, on rear left speed sensor |
| T2bl | 2-pin connector, on rear right speed sensor |
| T11d | 11-pin connector, in left engine compartment |
| T16a | 16-pin connector, on onboard supply control unit |
| T42a | 42-pin connector, on ABS control unit with EDL |
| B230 | Connection (low bus), in interior wiring harness |
| B510 | Connection 3 (speed sensor), in interior wiring harness |
| B511 | Connection 4 (speed sensor), in interior wiring harness |
| B512 | Connection 1 (rear left speed sensor), in interior wiring harness |
| B513 | Connection 2 (rear left speed sensor), in interior wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
Wiring Diagram VW POLO 2007 - Display control unit in dash panel insert - brake light switch - cruise control system brake pedal switch / diesel direct injection system - ABS warning lamp
| F | Brake light switch |
| F47 | Cruise control system brake pedal switch/diesel direct injection system |
| J285 | Display control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| K47 | ABS warning lamp |
| L10 | Dash panel insert illumination bulb |
| SB4 | Fuse 4 on fuse holder |
| T4c | 4-pin connector, on brake light switch |
| T5d | 5-pin connector, on onboard supply control unit |
| T8b | 8-connector, on dash panel insert |
| T11a | 11-pin connector, in left engine compartment |
| T32a | 32-pin connector, on dash panel insert |
| 42 | Earth point, next to steering column |
| 279 | Earth connection 5, in interior wiring harness |
| 284 | Earth connection 6, in interior wiring harness |
| 285 | Earth connection 7, in interior wiring harness |
| 606 | Earth point, under the centre console near gear stick |
| B135 | Positive connection 1 (15a), in interior wiring harness |
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