Audi A4 Owners & Service Manuals

Audi A4: Wiring

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 Vehicle Diagnosis, Testing and Information Systems

  WARNING During road tests using a vehicle diagnostic and information system, there is the hazard of extreme to lethal injuries! If vehicle diagnostic and information system is deposited

 Wiring Harness and Connector Repairs

Vehicle Electrical System, General Repair Information   Caution When disconnecting and connecting battery, the procedure must be followed as described in the Repair Manual.   WARNING S

 Wiring Harness Repair Set

Wiring Harness Repair Set -VAS1978- The Wiring Harness Repair Set -VAS1978- makes optimal repair quality possible in the realm of vehicle electronics. Using the tools, repairs affecting harness conn

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 Trailer Hitch

Overview - Trailer Hitch 1 -  Information Label On the left side of the body at the rear 2 -  Towing Recognition Control Module -J345- Removing and installing. Refer to → Chapter "Towing Recognition Control Module -J345-, Removing and Installing". 3 -  Tra

 Front Midrange Speaker, Removing and Installing

The Left Front Midrange Speaker -R103-/Right Front Midrange Speaker -R104--1- are located in the center of the front doors. Removing and installing is identical. Removing - Turn off the ignition and all electrical equipment and remove the ignition key. - Remove the front door trim panel

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