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Electrical system, general information

Renewal of aerial wiring

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A new approach to repair work on aerial wires has been developed → Chapter.

Now connecting wires in different lengths and various adapter cables are available as replacement parts instead of a complete aerial wire.

General description:

Replacement parts can be found in the → Parts catalogue (ETKA): Special catalogue; Electrical connections; Genuine accessories; Subgroup 35 from illustration No. 035-20. These genuine parts are suitable for all aerial wires and wire diameters which may need to be replaced. The connector housings for aerial wires are only available as genuine parts in one colour. However, they can be used for all colours of aerial connector. No provision has been made for replacement of individual aerial connectors in the event of repair. The wires can be used retroactively for all VW models, with all installed aerial wire diameters. All adapter and connection wires are suitable for all transmitter and receiver signals.

This repair method can also be used for testing or retrofitting.

Assembly overview of aerial cable:

Example: aerial wire between radio and aerial is defective. The following wires are required for the repair:
1 - Adapter cable, to radio connection. Length approx. 30 cm.
2 - Connecting wire, available in different lengths.
3 - Adapter cable, to aerial connection. Length approx. 30 cm.

Installing a new aerial cable:

Note Note that the total length of an aerial wire, depending on vehicle equipment level, can be divided into sections by aerial diversity control unit, traffic information control unit or aerial amplifier. Only the defective section of aerial wire must be replaced.
  • Pull defective aerial wire connections off units.
  • Determine the routing of the defective aerial wire in vehicle and measure the total length of the aerial connecting wire to be replaced.
Renewal of aerial wiring
The total length of aerial connecting wire is the sum of the length of adapter cables required -1- and -3- and the connecting wire -2-.
  • To determine the length of connecting wire required, subtract 60 cm from the measured total length of aerial connecting wire -2-.
  • Procure the required adapter cables -1- and -3- and connecting wire -2- at length calculated as genuine part from the Electronic parts catalogue (ETKA).
  • Cut off connectors of defective aerial wire.

The remainder of the defective aerial wire remains in the vehicle.

  • Connect adapter cables -1- and -3- to equipment in vehicle.
  • Route and attach the connection line -2- in the immediate vicinity of the factory routing.
Note Do not kink or excessively bend aerial wires! The bending radius must not be below 50 mm.
  • Connect connecting wire to adapter cables.
  • Perform functional test.
Renewal of aerial wiring

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