Safety precautions for repairing wiring harnesses and connectors
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
- Wiring harness and connector repairs on the vehicle electrical system are only to be performed using wiring harness repair set VAS 1978.
- Pay attention to the relevant regulations in the individual countries.
- Disconnecting the battery negative ( - ) terminal prevents accidents when working on electrical system. Disconnect battery. Audi A4 S4 → Battery in engine compartment, disconnecting and reconnecting . Audi RS4 → Battery in luggage compartment, disconnecting and connecting .
- Heed stickers on vehicle pointing out components with high voltage. Remaining voltage must be dissipated before commencing repair work.
- Before commencing repair work, always eliminate cause of damage, e.g. sharp body edges, malfunctioning electrical components, corrosion etc.
- Do not loosen ground straps on body if this can be avoided (danger of corrosion).
- Further information, for example about removal and installation of individual components, can be found in the appropriate Workshop Manual.