Power and Ground Distribution: Service and Repair

CAUTION!
Wiring harness and connector repairs must only be performed using repair kit VAS 1978!


Repair kit VAS 1978 contains a detailed instruction manual that outlines all aspects of wiring harness and connector repair.

Always follow wiring harness and connector repair measures.


CAUTION!
Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Switch the ignition off.
- Disconnect the battery Ground (GND) strap.
- After reconnecting battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows.


CAUTION!
- All airbag system wiring and shielded wiring (eg.: knock sensors, antenna etc.) are Not to be repaired! Replace complete wiring harnesses as necessary.
- Before beginning wiring and connector repairs, determine and rectify the cause of damage, eg.: pinched between metal parts, malfunctioning electrical consumers, corrosion due to water ingress etc.
- Additional information on removal and installation of electrical and related components see applicable Service and Repair.

CAUTION!
- Only the yellow repair cables and insulation tape supplied with VAS 1978 are to be used for wiring/ connector repairs. The use of yellow repair wires and yellow insulation tape identifies that a repair has taken place!
- When repairs are completed, always perform a functional check of the component or system. Where applicable, check and erase Diagnostic Trouble Codes (DTCs) and set basic setting.