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970919 Removing and Installing Main Wiring Harness - Roof


WM 970919 Removing and installing main wiring harness - roof

Removing main wire harness - roof

Information





Information

- The repair instructions document "Main wire harness" is divided into several sections because of its size.

- For body repairs, refer to the specific sections on installing and removing individual sections of wiring.

CAUTION

-> The main wire harness contains all airbag lines, antenna lines and optical waveguides.
-> The main wire harness must therefore not be cut for major repair work and must be replaced complete.
-> If individual lines are damaged, isolate them (disconnect, remove plug contacts from plug connections etc.) and replace the original wire harness by installing new lines.

Removing main wiring harness - left roof area

Remove headliner => 708419 Removing and installing headliner - section on "Removing".

Disconnect the battery => 90 Work instructions after disconnecting the battery.
1. Unclip wiring harness -arrows-.





Remove main wire harness - dashboard area and centre console => 970919 Removing and installing main wire harness - section on "Removing".

Removing main wiring harness - right roof area

1. Cut tie-wrap -a- (roof rack rear).





2. Release bracket -Arrows A- and remove the plug connections -Arrows B-.
3. Release plug connections (roof rack rear) -Arrow C- and disconnect -Arrows D-.
4. Release socket holder -Arrows A- and remove it -Arrow B-.





5. Release socket holder -Arrow C- , open it -Arrow D- and remove the lines -Arrow E-.
6. Disconnect plug connection of water line (roof rack rear) -Arrows-.





7. Cut the tie-wraps -Arrows A-.





8. Unclip wire harness -Arrows B-.
9. Disconnect plug connection of water line.

Remove main wire harness - dashboard area and centre console => 970919 Removing and installing main wire harness - section on "Removing".

Removing main wiring harness - sunroof, right roof area

Remove rear roof trim panel => 708419 Removing and installing headliner - section on "Removing".
1. Release plug connection (roof rack rear) -Arrows A- and disconnect -Arrow B-.





2. Cut open tie-wraps -arrows- and remove the wire harness.





Remove main wire harness => 970919 Removing and installing main wire harness - section on "Removing".

Installing main wire harness - roof

Installing main wiring harness - sunroof, right roof area

Install main wire harness - dashboard area and centre console => 970919 Removing and installing main wire harness - section on "Installing".
1. Connect plug connection (roof rack rear) -Arrows A- until locking tabs -B- are felt to engage.





2. Fasten lead with new tie-wraps -arrows-.





Install rear roof trim panel => 708419 Removing and installing headliner - section on "Installing".

Installing main wiring harness - right roof area

Install main wire harness - dashboard area and centre console => 970919 Removing and installing main wire harness - section on "Installing".
1. Clip in wire harness -Arrows A-.





2. Fasten lead to sunroof with new tie-wraps -B-.
3. Connect the water line -Arrow C-.
4. Connect antenna lines (roof rack rear) -Arrows A- until locking tabs -B- are felt to engage.





5. Fasten line with a new tie-wrap -a-.
6. Press antenna lines into the bracket -Arrow C- until locking tabs are felt to engage -D-.
7. Connect the water line (roof rack rear) -arrows-.





8. Insert line into the socket holder (roof rack rear) -Arrow A-.





9. Close the holder -Arrow B- until the locking tab -C- is felt to engage.
10. Insert bracket into roof rack and press down -Arrow D- until locking tabs are felt to engage -E-.

Installing main wiring harness - left roof area

Install main wire harness - dashboard area and centre console => 970919 Removing and installing main wire harness - roof - section on "Installing".
1. Clip in wire harness -arrows-.





Install headliner => 708419 Removing and installing headliner - section on "Installing".