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AUDI A3 2004 – Trailer towing attachment . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A3 2004 - Earth points and earth connections



Wiring Diagram  AUDI A3 2004 - Earth points and earth connections https://portal-diagnostov.com/license.html
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   11 Earth point, in battery box
   30 Earth point 1, next to relay plate
   50 Earth point, on left in luggage compartment
   98 Earth connection, in rear lid wiring harness
   238 Earth connection 1, in interior wiring harness
   277 Earth connection 3, in interior wiring harness
   280 Earth connection, in communications wiring harness
   285 Earth connection 7, in interior wiring harness

Wiring Diagram AUDI A3 2004 - Fuses



Wiring Diagram  AUDI A3 2004 - Fuses https://portal-diagnostov.com/license.html
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DIgnition/starter switch
E1Light switch
S5Fuse in relay plate fuse holder
S20Fuse in relay plate fuse holder
S21Fuse in relay plate fuse holder
S22Fuse in relay plate fuse holder
S223Fuse in fuse holder
S235Fuse in fuse holder
U10Trailer socket
   238 Earth connection 1, in interior wiring harness
   A2 Positive connection (15), in dash panel wiring harness
   A51 Connection (56), in dash panel wiring harness
   A98 Positive connection 4 (30), in dash panel wiring harness
   A103 Connection 2 (56), in dash panel wiring harness
   B135 Connection 1 (15a), in interior wiring harness
   B143 Positive connection (58R), in interior wiring harness
   B144 Positive connection (58L), in interior wiring harness
   B156 Positive connection (30a), in interior wiring harness

Wiring Diagram AUDI A3 2004 - Rear left bulbs



Wiring Diagram  AUDI A3 2004 - Rear left bulbs https://portal-diagnostov.com/license.html
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E18Rear fog light switch
F216Rear fog light cut-out contact switch
J446Parking aid control unit
L46Rear left fog light bulb
M4Left tail light bulb
M5Front left turn signal bulb
M6Rear left turn signal bulb
M7Front right turn signal bulb
M9Left brake light bulb
M16Left reversing light bulb
U10Trailer socket
   238 Earth connection 1, in interior wiring harness
   280 Earth connection, in communications wiring harness
   A87 Connection (RL), in dash panel wiring harness
   A88 Connection (RFL), in dash panel wiring harness
   B114 Connection (inhibitor switch), in interior wiring harness
   B152 Connection (BL), in interior wiring harness
   B153 Connection (RTS), in interior wiring harness

Wiring Diagram AUDI A3 2004 - Rear right bulbs and bulb check warning unit



Wiring Diagram  AUDI A3 2004 - Rear right bulbs and bulb check warning unit https://portal-diagnostov.com/license.html
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FBrake light switch
J124Rear bulb monitoring device
J508Brake light suppression relay
M2Right tail light bulb
M8Rear right turn signal bulb
M10Right brake light bulb
M17Right reversing light bulb
T5h5-pin connector, brown, A-pillar left, near relay plate
W35Right luggage compartment light
   238 Earth connection 1, in interior wiring harness
   285 Earth connection 7, in interior wiring harness
   B131 Connection (54), in interior wiring harness
   B185 Connection 2 (54), in interior wiring harness
*for models with bulb check warning unit only
**for models without bulb check warning unit only
***for models with anti-lock brake system (ABS) MK20
****for models with anti-lock brake system (ABS) MK60 only

Wiring Diagram AUDI A3 2004 - Auto-check system - bulb check warning unit - left and right twin filament bulb



Wiring Diagram  AUDI A3 2004 - Auto-check system - bulb check warning unit - left and right twin filament bulb https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
E3Hazard warning light switch
J2Hazard warning light relay
J124Rear bulb monitoring device
J189Auto-check system
K18Trailer operation warning lamp
L1Left headlight twin filament bulb
L2Right headlight twin filament bulb
M25High level brake light bulb
T4j4-pin connector, left headlight
T4l4-pin connector, right headlight
T5h5-pin connector, brown, A-pillar left, near relay plate
T8g8-pin connector, brown, on left in luggage compartment
T3232-pin connector, blue, on dash panel insert
T32b32-pin connector, grey, on dash panel insert
   98 Earth connection, in rear lid wiring harness
   277 Earth connection 3, in interior wiring harness
   280 Earth connection, in communications wiring harness
*for models without bulb check warning unit only