General information
The Audi TT has a single wiring harness (for all connections) instead of separate wiring harnesses.
Always use repair set VAS 1978 when repairing the wiring harness or electrical connectors on the Audi TT
Wiring harness repair set VAS 1978
Detailed instructions for using VAS 1978 are given in the manual supplied with the repair set.
The manual also gives examples showing how to repair open circuits in wiring and malfunctioning plug connectors.
NOTE:
Repairs must not be performed on shielded wiring associated with the ABS system.