Part 2
WM 972719 Removing and installing wiring harness for tailgate
Installing wiring harness tailgate
Installing wiring harness, left side of vehicle to lid hinge
Overview of wiring harness for tailgate
1. Thread wiring harness out through pneumatic spring housing -arrow-. Push the plugs individually past the rear lid hinge.
Thread wiring harness out through pneumatic spring housing.
2. Lay the ground strap in the narrow connector profile -Arrow A- and fasten with fabric tape.
Fastening ground strap with fabric tape
3. Push a tie-wire through the pneumatic spring housing -Arrow B- and attach ground lead and connector to the wiring.
4. Draw tie-wire with wiring harness out through opening -Arrow B- until rubber sleeve -b- engages fully in opening in pneumatic spring housing -c-.
Information
- The line must run over the pneumatic spring for the rear lid.
5. Push pink socket into socket support -Arrow A- until locking tabs -Arrows B- are felt to engage.
Pushing socket into socket support
6. Insert ground strap into support -Arrow C-.
7. Close the support -Arrow D- until the locking tab -Arrow E- is felt to engage.
8. Press in support for socket -Arrow A- until locking tabs -Arrows B- are felt to engage.
Pressing in support for socket and screwing down ground strap
9. Screw down both ground straps together with torsion protection -a- onto ground pin with fastening nut -Arrow 1-. => Tightening torque: 6.5 ftlb.
10. Insert pink connector -Arrow A- until the locking tabs -Arrows B- are felt to engage.
Inserting connector and fitting styrofoam element
11. Apply adhesive sealant to edges -Arrows C- and press in styrofoam element -Arrow D- until it is felt to engage in the opening.
Installing wiring harness, left side of tailgate to lid hinge
Overview of wiring harness for tailgate
1. Lay line in cable duct and push on cover -Arrow A- until locking tabs -Arrows B- are felt to engage.
Laying line in cable duct
2. Push cable duct with line onto rear lid hinge -Arrow C-.
3. Pull harness through window frame -Arrows A-.
Pull wiring harness through window frame and fasten it.
4. Press rubber sleeve into window frame until it is felt to engage -Arrow B-.
Information
- During removal, replace damaged clips with repair clips.
5. Clip wiring harness to window frame -Arrows C-.
Information
- During removal, replace damaged clips with repair clips.
6. Clip in wiring harness -arrows-.
Clipping in wiring harness
7. Tighten ground strap and torsion protection -a- to ground pin with fastening nut -Arrow 1-. => Tightening torque: 6.5 ftlb.
Screwing down ground strap
8. Push connector onto rear window wiper -Arrow A- until locking tabs are felt to engage.
Pushing connector onto rear window wiper and lock lower part
9. Push connector onto lock lower part for rear window -Arrow C- until locking tabs -Arrows B- are felt to engage.
10. Push plug connection for contact switch together -Arrows D- until locking tab -Arrow E- is felt to engage.
11. Insert plug connection into support -Arrow F- and turn it until it is felt to engage in the clip -Arrow G-.
Installing wiring harness, right side of vehicle to lid hinge
Overview of wiring harness for tailgate
1. Push wiring harness through to the rear from the inside -Arrow A-.
Running in wiring harness
Information
- The lead must run over the pneumatic spring.
2. Pull socket through pneumatic spring housing -Arrow B- until rubber sleeve is felt to engage -Arrow C-.
3. Push blue socket into socket support -Arrow A- until locking tabs -Arrows B- are felt to engage.
Pushing socket into socket support
4. Press in support for socket -Arrow A- until locking tabs -Arrows B- are felt to engage.
Pressing in socket support
5. Insert blue connector -Arrow C- until the locking tabs -Arrows D- are felt to engage.
6. Apply adhesive sealant to edges -Arrows B- and press in styrofoam element -Arrow A- until it is felt to engage in the opening.
Installing Styrofoam element
Installing wiring harness, right side of tailgate to lid hinge
Overview of wiring harness for tailgate
1. Position wiring harness in wiring duct and press in cover -Arrow A- until locking tabs -Arrows B- are felt to engage.
Positioning wiring harness in wiring duct
2. Push wiring harness with wiring duct onto rear lid hinge -Arrow C- until locking tabs -Arrows D- are felt to engage.
3. Pull harness through window frame -Arrows A-.
Pulling in and fastening wiring harness
4. Press rubber sleeve into window frame until it is felt to engage -Arrow B-.
Information
- During removal, replace damaged clips with repair clips.
5. Clip wire harness to window frame -Arrows C-.
6. Press in wiring harness clips -Arrows A-.
Clipping in wiring harness
Information
- During removal, replace damaged clips with repair clips.
7. Press in wiring harness clips from the inside -Arrows B-.
8. Insert connector onto rear lid lock -Arrow A- until the locking tabs -Arrows B- are felt to engage.
Inserting connector on rear lid lock and contact switch
9. Insert connector onto contact switch -Arrow C- until the locking tabs -Arrows D- are felt to engage.
Installing wiring harness for rear window, left
1. Push wire harness through along hinge -arrow A-.
Installing wire harness
2. Pull wire harness through the opening -arrows B- until the rubber sleeve -arrow C- is felt to engage in the pneumatic spring housing.
3. Push pink socket into socket support -arrow A- until locking tabs -arrows B- are felt to engage.
Installing socket and ground strap
4. Insert ground strap into support -arrow C-.
5. Close the support -arrow D- until the locking tab -arrow E- is felt to engage.
6. Press in support for socket -arrow A- until locking tabs -arrows B- are felt to engage.
Installing support for socket and screwing down ground cable
7. Screw down both ground straps together with torsion protection -a- onto ground pin using fastening nut -arrow 1-.=> Tightening torque: 6.5 ftlb.
8. Insert pink connector -arrow A- until the locking tabs -arrows B- are felt to engage.
Inserting the connectors
9. Push connectors into sockets of same colour -arrows A- until locking tabs -B- are felt to engage.
Pushing connectors into sockets of same colour
10. Press plug connections into the brackets -arrows C- until locking tabs are felt to engage -arrows D-.
11. Lay wire harness in wiring duct and push on cover -arrow A- until locking tabs -arrows B- are felt to engage.
Installing wire harness
12. Push wiring duct onto hinge -arrow C- until locking tabs are felt to engage.
13. Insert rubber sleeve into rear spoiler -arrow A-.
Positioning wire harness in rear spoiler
14. Position wire harness in rear spoiler and press onto Velcro strip segments to secure -arrow B-.
Information
- Only for vehicles with telephone antenna.
Vehicles with telephone antenna
15. Connect telephone antenna plug to the line -arrow A- until locking tabs of lock -arrows B- are felt to engage.
Connecting telephone antenna plug
16. Push wire harness through under the right wire harness -arrow A-.
Route wire harness and push on connector
17. Push both connectors onto right antenna amplifier -arrows B- until locking tabs -arrow C- are felt to engage.
Information
- When connecting plugs, observe colour marking -a- on antenna amplifier.
Connecting antenna amplifier
18. Push connector onto white connection -b- of right antenna amplifier -arrow D-.
19. Push connector through under the support -arrow A-.
Installing GPS sensor.
20. Push the connector onto the GPS sensor -arrow B- until the locking tab -C- is felt to engage.
21. Screw down the GPS sensor with both fastening screws -arrows 3-.
Installing wiring harness for rear window, right
1. Tie water line and the individual lines together with fabric tape -A-.
Tying lines together
2. Secure lines with fabric tape to the flat side -arrow B- of the combination plug.
3. Push wire harness along hinge through pneumatic spring housing -arrows C-.
4. Pull out wire harness in a downward direction -arrow D-. If necessary, push lead from the outside.
Information
- When installing the wire harness, make sure the insulation of the line is not damaged.
5. Remove fabric tape and lay leads to the connection points.
6. Join up water line -arrows A- until it is felt to engage.
Installing water line
7. Insert lines and water line into support -arrow B- , then close support -arrow C- until locking tab -arrow D- is felt to engage.
8. Push socket into socket support -arrow B- until locking tabs -arrows A- are felt to engage.
Installing socket
9. Press in support for socket -arrow C- until locking tabs -arrows D- are felt to engage.
10. Insert connector -arrow A- until locking tabs -arrows B- are felt to engage.
Inserting the connectors
11. Connect both plug connections -arrows A- until locking tabs -arrows B- are felt to engage.
Connecting plug connections
12. Press plug connections into support -arrows C- until locking tabs are felt to engage -arrows D-.
13. Screw down ground strap together with twist lock -a- to ground pin -arrow 1-.
Screwing down ground strap
14. Pull in rubber sleeve -arrow A- until it is felt to engage in opening -arrow B-.
15. Apply adhesive sealant to edges -arrows A- and press in Styrofoam element -arrow B- until it is felt to engage in the opening.
Installing Styrofoam element
16. Press rubber sleeve into rear spoiler -arrow A-.
Installing wire harness in rear spoiler
17. Position wire harness in rear spoiler and press onto Velcro strip segments -arrows B-.
18. Lay wire harness in wiring duct and push on cover -arrow A- until locking tabs -arrows B- are felt to engage.
Installing wire harness
19. Push wiring duct onto hinge -arrow C- until locking tabs are felt to engage.
20. Insert antenna plug -arrow A- until locking mechanism -arrow B- is felt to engage.
Connecting antenna amplifier
21. Connect red line to B+ connection of right antenna amplifier -arrow C-.
22. Tighten ground strap with fastening screw -arrow 2-.
23. Push plug connection together -arrows A- until the locking lug -arrow B- is felt to engage.
Connecting plug connection
24. Push Styrofoam element over plug connection -arrow C-.
25. Connect water line to windscreen washer nozzle -arrow A- until it is felt to engage.
Connecting water line to windscreen-washer nozzle and inserting brake light
26. Attach plug onto brake light -arrow B- until locking tab -arrow C- is felt to engage.
27. Connect plug connections -arrows D- until locking tabs -arrow E- are felt to engage.
Subsequent work
1. Install D-pillar trim. -> 706919 Removing and installing D-pillar trim panel - "Installing" section 706919 Removing and Installing D-Pillar Trim
2. Install headliner. -> 708419 Removing and installing headliner - "Installing" section 708419 Removing and installing roof lining
3. Install number plate light. -> 668319 Removing and installing number plate light - "Installing" section
4. Install release for rear lid. -> 555719 Removing and installing release for rear lid - "Installing" section Service and Repair
5. Install side panel on rear lid. -> 559019 Removing and installing rear lid - "Installing" section 559019 Removing and Installing Rear Lid
6. Install antenna amplifier.-> 918419 Removing and installing antenna amplifier - "Installing" section Service and Repair