6 Wiring harness and connector re‐
pairs
6.1 Safety instructions
Caution
For repair work on airbag and seat belt tensioner wiring har‐
nesses, only contacts, connectors and wiring designed specif‐
ically for this purpose may be used ⇒ Parts catalogue (ETKA)!
♦ Observe country-specific regulations.
♦ Observe vehicle stickers indicating high voltage components.
Before carrying out repairs, discharge residual voltage.
♦ Wires from airbag and belt tensioner wiring harness must only
be repaired using wiring harness repair set -V.A.G 1978- .
⇒ Operating instructions wiring harness repair set -V.A.G 1978-
⇒ General body repairs interior; Rep. Gr. 69
6.2 General notes concerning repairs to ve‐
hicle electrical system
Caution
Disconnecting and connecting the battery as described in the
Workshop Manual ⇒ page 29 .
♦ Observe current notes (also notes concerning removing and
installing components) in workshop manuals and in the Tech‐
nical Service Handbook.
♦ Yellow wiring and sections of wiring harness wrapped in yellow
tape indicate a prior repair.
⇒ Operating instructions wiring harness repair set -V.A.G 1978-
♦ Before beginning repairs to a wiring harness, first rectify the
cause of the damage, e.g. sharp edges on a body part, de‐
fective electrical consumer, corrosion.
♦ Disconnecting the battery earth strap (open circuit) provides a
safe working environment for repairs to the electrical system.
The battery positive wire need only be disconnected for re‐
moval of the battery.
♦ If possible, do not loosen any earth wires from the body (dan‐
ger of corrosion).
6.3 Notes on repairs to wiring harness and
connectors
Supplementary notes on repair of CAN bus wiring ⇒ page 303
♦ Soldering is not permitted for repairs to vehicle wiring.
♦ Never repair any heat-shrink connections. If necessary, lay
wiring parallel to the defective wiring.
♦ Onboard supply wiring harnesses and connectors may only
be repaired using wiring harness repair set -V.A.G 1978- .
Jetta 2005 ➤ , Bora 2006 ➤
Electrical System - Edition 05.2005
302 Rep. Gr.97 - Wiring