Wiring Diagram AUDI A4 2001 - Daytime driving lights with fog lights and rear fog light
| D | Ignition/starter switch |
| E1 | Lighting switch |
| E4 | Headlight dipper/flasher switch |
| E19 | Parking light switch |
| J31 | Automatic intermittent wash/wipe relay |
| J59 | X contact relief relay |
| J218 | Combi-processor in dash panel insert |
| T32 | 32-pin connector, blue, on dash panel insert |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A34 | Connection (75x), in dash panel wiring harness |
| A43 | Connection (57l), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| * | Only models with headlight washer system |
Wiring Diagram AUDI A4 2001 - Daytime driving lights with fog lights and rear fog light
| J124 | Bulb monitoring device, rear |
| K1 | Main beam warning lamp |
| L1 | Twin filament bulb for headlight, left |
| L2 | Twin filament bulb for headlight, right |
| L22 | Fog light bulb, left |
| L23 | Fog light bulb, right |
| M1 | Side light bulb, left |
| M3 | Side light bulb, right |
| S18 | Fuse in fuse box |
| S19 | Fuse in fuse box |
| S20 | Fuse in fuse box |
| S21 | Fuse in fuse box |
| T6 | 6-pin connector, yellow, right connector point, A pillar |
| T8g | 8-pin connector, near headlight, right |
| T8h | 8-pin connector, near headlight, left |
| T10ad | 10-pin connector, red, left connector point, A pillar |
| T10ae | 10-pin connector, light pink, left connector point, A pillar |
| T32 | 32-pin connector, blue, on dash panel insert |
| V48 | Headlight range control motor, left |
| V49 | Headlight range control motor, right |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| * | Does not apply to 2.7 litre bi-turbo, 195 kW, 6-cylinder |
Wiring Diagram AUDI A4 2001 - Daytime driving lights with fog lights and rear fog light
| J124 | Bulb monitoring device, rear |
| M2 | Tail light bulb, right |
| M4 | Tail light bulb, left |
| S3 | Fuse in fuse box |
| S4 | Fuse in fuse box |
| S22 | Fuse in fuse box |
| S223 | Fuse in fuse box |
| T8e | 8-pin connector, black, in luggage compartment, rear left |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| W6 | Glove box light |
| X | Number plate light |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A37 | Connection (58a), in dash panel wiring harness |
| A44 | Connection (57r), in dash panel wiring harness |
| W2 | Positive (+) connection (58), in rear wiring harness |
| W11 | Connection (58), in tailgate/boot lid wiring harness |
| W13 | Connection (58L), in rear wiring harness |
| * | Applies to Audi saloon models only |
| ** | Applies to Audi Avant models only |
| *** | Up to 1999 model year |
| **** | From model year 2000 onwards |
Wiring Diagram AUDI A4 2001 - Daytime driving lights with fog lights and rear fog light
| E7 | Fog light switch |
| E18 | Rear fog light switch |
| J512 | Fog lights/rear fog light control unit |
| L46 | Rear fog light bulb, left |
| L47 | Rear fog light bulb, right |
| S236 | Fuse in fuse box |
| T6a | 6-pin connector, red, right connector point, A pillar |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T10ad | 10-pin connector, red, left connector point, A pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A47 | Connection (55), in dash panel wiring harness |
| A83 | Connection (daytime driving lights), in dash panel wiring harness |
| A88 | Connection (NSL (rear fog light)), in dash panel wiring harness |
| * | Behind glove box |
Wiring Diagram AUDI A4 2001 - Daytime driving lights with fog lights and rear fog light
| D | Ignition/starter switch |
| J90 | Daytime driving light switch-on relay |
| J336 | Driving lights relay |
| J512 | Fog lights/rear fog light control unit |
| N74 | Resistance wire |
| S5 | Fuse in fuse box/relay plate |
| T6ab | 6-pin connector, purple, right connector point, A pillar |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A3 | Positive (+) connection (56), in dash panel wiring harness |
| A9 | Positive (+) connection (56 b), in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| A82 | Connection (windscreen heater), in dash panel wiring harness |
| * | Behind glove box |
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