Safety precautions for repairing wiring harnesses and connectors
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.