Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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General Notes For Repairing the Vehicle Electrical System



General Notes On Repairs On Vehicle Electrical System

CAUTION:
- Repairs on wiring harnesses and connectors of vehicle electrical system must only be performed using Wiring Harness Repair Kit VAS 1978.
- Heed country-specific prescriptions.
- By disconnecting battery ground (GND) wire, safe work on vehicle electrical system is guaranteed. With ignition switched off, disconnect battery Ground (GND) wire.
- Pay attention to stickers on vehicle designating high voltage components. When performing repairs, residual voltage must be discharged.


- Before starting a repair, the cause of the damage must be eliminated first, i.e. sharp edges on chassis parts, faulty components, corrosion etc.
- If possible, do not loosen ground (GND) straps from body (danger of corrosion).
- Further information, e.g. installing and removing the individual components, is described in the appropriate repair Information.