Wiring Diagram AUDI A8 2002 - Ignition/starter switch - lighting switch - X contact relief relay
| A | Battery |
| B | Starter |
| C | Alternator |
| D | Ignition/starter switch |
| E1 | Lighting switch |
| E2 | Turn signal switch |
| E4 | Headlight dipper/flasher switch |
| E19 | Parking light switch |
| J2 | Hazard warning light relay |
| J59 | X contact relief relay |
| J512 | Fog lights/rear fog light control unit |
| S204 | Fuse -1- (30) |
| T3as | 3-pin connector, black, in centre console |
| T14 | 14-pin connector, purple, behind steering column switch trim |
| T18 | 18-pin connector, blue, on fog lights/rear fog light control unit |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A17 | Connection (61), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A34 | Connection (75x), in dash panel wiring harness |
Wiring Diagram AUDI A8 2002 - Left headlight - fuse carrier 1
| M1 | Side light bulb, left |
| M29 | Dipped beam bulb, left |
| M30 | Main beam bulb, left |
| S1 | Fuse in fuse carrier |
| S2 | Fuse in fuse carrier |
| S3 | Fuse in fuse carrier |
| S4 | Fuse in fuse carrier |
| S5 | Fuse in fuse carrier |
| S6 | Fuse in fuse carrier |
| T10x | 10-pin connector, black, on left headlight |
| 82 | Earth connection -1-, in front left wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| A95 | Connection -1- (56a), in dash panel wiring harness |
| C1 | Positive (+) connection (58L), in front left wiring harness |
| C2 | Positive (+) connection (58R), in front left wiring harness |
| E108 | Connection (right-hand parking light), in dash panel wiring harness |
Wiring Diagram AUDI A8 2002 - Right headlight - bulb monitoring device - left tail light - high level brake light bulb
| J123 | Bulb monitoring device |
| M3 | Side light bulb, right |
| M4 | Tail light bulb, left |
| M6 | Turn signal bulb, rear left |
| M9 | Brake light bulb, left |
| M25 | High level brake light bulb |
| M31 | Dipped beam bulb, right |
| M32 | Main beam bulb, right |
| T6d | 6-pin connector, white, footwell, right, at wheelhouse, behind carpet |
| T10e | 10-pin connector, green, footwell, right, at wheelhouse, behind carpet |
| T10y | 10-pin connector, black, on right headlight |
| 83 | Earth connection -1-, in front right wiring harness |
| A18 | Connection (54), in dash panel wiring harness |
| B104 | Earth connection (rear right), in interior wiring harness |
| B109 | Earth connection, in interior wiring harness, rear left |
| C17 | Connection (56b) -1-, in front lighting wiring harness |
| E116 | Connection (56a, right), in dash panel wiring harness |
| W13 | Connection (58L), in rear wiring harness |
Wiring Diagram AUDI A8 2002 - Bulb monitoring device - brake light switch
| F | Brake light switch |
| F47 | Cruise control system brake pedal switch (diesel direct injection system) |
| J123 | Bulb monitoring device |
| M2 | Tail light bulb, right |
| M8 | Turn signal bulb, rear right |
| M10 | Brake light bulb, right |
| S9 | Fuse in fuse carrier |
| T6d | 6-pin connector, white, footwell, right, at wheelhouse, behind carpet |
| A5 | Positive (+) connection (right turn signal), in dash panel wiring harness |
| A6 | Positive (+) connection (left turn signal), in dash panel wiring harness |
| B108 | Earth connection, in interior wiring harness, rear right |
| E104 | Earth connection, in dash panel wiring harness (near relay point) |
| E109 | Connection (30, central electrics), in dash panel wiring harness |
| W6 | Connection (left turn signal), in rear wiring harness |
| W7 | Connection (right turn signal), in rear wiring harness |
| W14 | Connection (58R), in rear wiring harness |
Wiring Diagram AUDI A8 2002 - Number plate lights - tail lights in boot lid - rear fog light
| J512 | Fog lights/rear fog light control unit |
| L46 | Rear fog light bulb, left |
| M2 | Tail light bulb, right |
| M4 | Tail light bulb, left |
| S3 | Fuse in fuse carrier |
| T10e | 10-pin connector, green, footwell, right, at wheelhouse, behind carpet |
| T10m | 10-pin connector, grey, footwell, right, at wheelhouse, behind carpet |
| T18 | 18-pin connector, blue, on fog lights control unit |
| X | Number plate light |
| 98 | Earth connection, in tailgate/bootlid wiring harness |
| A37 | Connection (58a), in dash panel wiring harness |
| A88 | Connection (NSL (rear fog light)), in dash panel wiring harness |
| B108 | Earth connection, in interior wiring harness, rear right |
| W4 | Connection -1- (rear fog light), in rear wiring harness |
| W27 | Positive (+) connection (58), in tail light wiring harness |
Wiring Diagram AUDI A8 2002 - Dash panel insert
| J285 | Control unit with display in dash panel insert |
| K1 | Main beam warning lamp |
| K4 | Side light warning lamp |
| K32 | Brake pad/lining warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| N12 | Brake pad/lining wear indicator, right (shear element) |
| N13 | Brake pad/lining wear indicator, left (shear element) |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| T32b | 32-pin connector, grey, on dash panel insert |
| 43 | Earth point, lower part of right A-pillar |
| 44 | Earth point, lower part of left A-pillar |
| 82 | Earth connection -1-, in front left wiring harness |
| 83 | Earth connection -1-, in front right wiring harness |
| E105 | Earth connection, in dash panel wiring harness, left |
Wiring Diagram AUDI A8 2002 - Dash panel insert
| E87 | Control and display unit for air conditioner |
| G17 | Ambient temperature sensor |
| G106 | Ambient temperature indicator |
| J285 | Control unit with display in dash panel insert |
| S1 | Fuse in fuse carrier |
| T16a | 16-pin connector, diagnosis connection |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| E103 | Connection (15a), in dash panel wiring harness, right |
| • | CAN bus (data wire) |
| # | Sender earth output |
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