VW Golf manuals

Volkswagen Golf Service & Repair Manual: Wiring open circuit with two repair positions

Repair position with interlinked wire.
–  Place the wire to be repaired to the side at two points (about 20 cm to both sides of the relevant repair position).
–  If necessary, unbind the wiring harness using the folding knife.
 

Wiring open circuit with two repair positions

–  Place the yellow repair wire next to the damage wiring harness and, using wire strippers -VAS 1978/3-, cut the repair wire to the required length.
–  Cut the damaged section of wire out of the vehicle's own single wire.
 

Wiring open circuit with two repair positions

–  Strip the wire ends of insulation by 6 - 7 mm using the wire strippers.
–  Push the crimp connector onto one side of the vehicle's own single wire and on the other side onto the repair wire.
 

Wiring open circuit with two repair positions

–  Crimp the connector using the crimping pliers to both wire ends.
–  Repeat this procedure on the other end of the repair wire.
  Note
Ensure without fail that the correct crimp recess is chosen for the crimp connectors being used → Chapter.
The insulation on the wires must not be crimped.
After crimping, the crimp connector has to be shrink fitted using the hot air blower in order to prevent any ingress of moisture.
–  Place shrink element for hot air blower -VAS 1978/15- on hot air blower, 220 V / 50 Hz -VAS 1978/14-.
 

Wiring open circuit with two repair positions

–  Heat up the crimp connector using the hot air blower along a straight line, working from the middle outwards, until it is sealed completely and the adhesive escapes from the ends.
  Caution
When shrink-fitting, take care not to damage any other wiring, plastic parts or insulating material with the hot air blower.
Observe the operating instructions of the hot air blower without fail!
  Note
 

Wiring open circuit with two repair positions

Ensure that, where several wires have to be repaired, the crimp connectors are not directly adjacent to each other. To prevent the circumference of the wiring harness from becoming to great, position the crimp connectors so they are offset slightly.
If the repair position was already wrapped, this section has to be wrapped again with yellow insulation tape once the repair has been carried out.
Attach the repaired wiring harness with a cable tie, if necessary, to prevent it from generating noise when the vehicle is in motion.
 

Wiring open circuit with two repair positions

Repair of optical fibre conductors

It is very difficult to find the exact location of the defect. Replace the damaged fibre optic cable by laying a new cable parallel to the defective fibre optic cable.
  Note
Via the menu options of the vehicle diagnosis tester “Guided fault finding” or “Guided functions”, it is possible to ascertain the components between which the fibre optic cable has been damaged.
The colour “yellow” indicates a fibre optic cable that has already been repaired.
Procedure:
–  Select “Guided functions” or “Guided fault finding” in the vehicle diagnosis tester → Vehicle diagnostic tester.
–  Prepare fibre optic cable → Chapter
  Caution
Do not excessively bend fibre optic cables. Minimum radius for bends is 25 mm.
Do not route fibre optic cables over sharp edges.
Make sure that the ends of fibre optic cables are not dirty and do not touch them with your bare hands.
Do not expose fibre optic cables to heat.
It is not permissible to twist 2 fibre optic cables together or one fibre optic cable with a copper wire.
Protect connectors and connecting cables against dust. Use protective caps from the case.
   
Wiring open circuit with one repair position
Repair position with single crimp connector   –  Place the wire to be repaired to one side (about 20 cm eith ...

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