First read and observe the introductory information
and safety warnings
Please follow these points in order to prevent damage to your vehicle when driving through water, for example on flooded streets:

WARNING

NOTICE
Checklist
Technical dataVolkswagen Touran Service Manual. CAN Bus Wires, Repairing
Unshielded two-strand wiring -1-
and -2- with a cross section of
0.35 mm2 or 0.5 mm2
can be used as CAN bus wiring.
The color coding of CAN bus wires can be found in the
following table:
...
Volkswagen Touran Service Manual. Contact Housings, Repairing Wire Terminals
Note
For technical reasons, the contact housing for the wire
terminals can be supplied only with the contacts pushed in.
These contacts can be removed at every other contact housing ...