Wiring Harness: Service and Repair

Wiring harnesses and connectors, repairing







CAUTION!
All 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.

Wiring harnesses and connectors, 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.


WARNING!
- Look for and observe all HIGH VOLTAGE! warning stickers. Discharge residual voltage at applicable components before performing repairs.


CAUTION!
- All wiring harness and connector repairs must only be performed using repair kit VAS 1978!
- 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.
- Soldering is NOT permitted to any vehicle wiring.
- Do not repair welded connections in wiring harnesses. If necessary, fabricate overlay wiring harness.
- All shielded wiring (eg.: knock sensors, repair etc.) are Not to be repaired! Replace complete wiring harnesses as necessary.
- When repairing airbag and seat belt tensioner wiring harnesses, use only prescribed terminals, connectors and wiring.


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!
- To prevent corrosion, avoid removal of ground connections at body fix-points.
- 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.
- Additional information on removal and installation of electrical and related components.