Operation CHARM: Car repair manuals for everyone.

Installing


WM 970919 Removing and installing main wiring harness - floor area and left-hand side

Technical values





Installing main wiring harness - floor area and left-hand side

Overview





Information

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

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

Installing main wiring harness - floor area and left-hand side

Install main wire harness - dashboard area & centre console -> 970919 Removing and installing main wire harness - section on "Installing" 970919 Removing and Installing Main Wiring Harness 970919 Removing and Installing Main Wiring Harness.
1. Fit wire harness with wiring duct (rear door floor area) on threaded bolts -Arrows A- and fasten with two new tie-wraps -B-.





2. Fasten wire harness in central electrical system power distributor -> 979419 Removing and installing central electrical system power distributor Service and Repair.
3. Connect line (central electrical system power distributor) to threaded bolt -Arrow A- and tighten with the fastening nut. -2- => Tightening torque: 4.5 ftlb..





Only for vehicles with auxiliary battery
4. Connect line to threaded bolt -Arrow B- and tighten with the fastening nut. -3- => Tightening torque: 12 ftlb..
5. Close cap -Arrow C- until locking tabs -a- are felt to engage.
6. Push connector onto airbag sensor at B-pillar -> 695119 Removing and installing airbag sensor 695119 Removing and installing airbag sensor.
7. Clip in line -arrows- (lower B-pillar).





A- & B-pillar





8. Push sockets into socket bracket -Arrows A- until locking tabs -B- are felt to engage.
9. Push in socket bracket -Arrow C- until locking tabs -D- are felt to engage.

A- & B-pillar





10. Push in the connectors -Arrows A- until locking tabs -B- are felt to engage.
11. Push on wire sleeve -Arrow C- until locking tabs -D- are felt to engage.
12. Insert cover at bottom -Arrow A- (B-pillar) and press in at top -Arrow B-.





Only for vehicles with electric adjustment fitting.





13. Press down protective cover (B-pillar) on connector -Arrow A- and maintain in this position.
14. Insert the connector -Arrow B- until the locking tab -C- is felt to engage.
15. Fit ground straps together with twist lock on the threaded bolt -Arrow D- and secure with fastening nut -1- => Tightening torque: 6.5 ftlb..
16. Fit wiring duct (lower C-pillar) on threaded bolt and wheel housing seam -arrows-.





17. Install airbag sensor on rear wheel housing -> 695119 Removing and installing airbag sensor - section on "Installing" 695119 Removing and installing airbag sensor.
18. Push line through the opening -arrow- (lower C-pillar) and, together with the rubber sleeve, fasten in the floorpan.





19. Place line in the installation position (lower C-pillar) and close the tie-wrap -Arrow A-.





20. Push line and retaining clip onto threaded bolt -Arrow B-.
21. Fit ground straps together with twist lock on the threaded bolt and secure with fastening nut -1- => Tightening torque: 6.5 ftlb..

Only for vehicles with auxiliary battery





22. Fit B+ line at the holders (along left wheel housing) on the threaded bolts -arrows-.

CAUTION

Risk of material damage to screw connections for seat and seat frame!

-> The fastening screws for seat and seat frame are coated and must be replaced after being unscrewed.
-> Before screwing in the new fastening screws, clean the thread holes with an M10 x 1.5 tap!

23. Place rear seat support in installation position -Arrow A- and tighten with fastening screws -5- => Tightening torque: 37 ftlb..





24. Attach line to threaded bolt -Arrow B- and secure with clip -Arrow C-.
25. Push connector into clip -Arrow D- until locking tab -E- is felt to engage.
26. Fasten line with new tie-wraps -F-.

Information

- Tighten the tie-wraps so that the auxiliary battery line can just still be moved with the cover installed





27. Fasten cover with new tie-wraps -A- to both lines (spare wheel well) and fit the cover on the threaded bolts -Arrow B-.





28. Push cover with lines onto threaded bolts -Arrow B-.
29. Insert line with rubber sleeve in battery box -Arrow C-
30. Connect line to fuse element for auxiliary battery (spare-wheel well) -Arrow A- and tighten with fastening nut -4- => Tightening torque: 12 ftlb..





31. Connect B+ line of cutoff relay for auxiliary battery (spare-wheel well) to the threaded bolt -Arrow A- and tighten with the fastening nut. -3- => Tightening torque: 12 ftlb..





32. Close cover -Arrow B- until locking tabs -C- are felt to engage.
33. Turn cutoff relay, place on the threaded bolts -arrow- and tighten with the fastening nuts -2- => Tightening torque: 4.5 ftlb..





34. Insert connector into cutoff relay -Arrow A- until the locking tabs -B- are felt to engage.





35. Tighten tie-wraps to protective cover and cut off end.
36. Press down lock on plug socket (seat belt at C-pillar) -Arrow A- and maintain in this position.





37. Insert connector -Arrow B- until locking tab -C- is felt to engage.
38. Clip the line to the wheel housing -arrows-.





39. Clip line (into C-pillar) -Arrows A- and fasten with a new tie-wrap -B-.





Only for vehicles with rear-differential lock.





40. Push connector onto control unit for rear-differential lock (left rear wheel housing) -Arrow A- and press in the locking mechanism -Arrow B- until it is felt to engage.
41. Pass line behind head airbag (above rear side window) -Arrows A- and clip in along the pneumatic spring housing -Arrows B-.





42. Fit ground straps together with twist lock -a- (roof rack rear) on the threaded bolt -arrow- and secure with fastening nut -1- => Tightening torque: 6.5 ftlb..





43. Fit ground strap together with twist lock -a- on the threaded bolt (rear left luggage compartment) -arrow- and secure with fastening nut -1- => Tightening torque: 6.5 ftlb..





44. Unclip the line -arrows- (D-pillar lower left).





45. Press down lock on connector (head airbag) -Arrow A- and maintain in this position.





46. Insert connector -Arrow B- until locking tab -C- is felt to engage.
47. Pull line down and through (D-pillar lower left) -Arrow A- and press in rubber sleeve -Arrows B- until it is felt to engage.





48. Clip line on rear cross member -Arrows A-.





49. Push in both connectors -Arrow B- until locking tabs -C- are felt to engage.
50. Insert connector -Arrow A- (D-pillar lower right) until the locking tab -B- is felt to engage.





Lay floor carpeting.

Install left rear light.-> 943119 Removing and installing rear light - section on "Installing" Service and Repair

Install side trim panel for rear luggage compartment.-> 700319 Removing and installing side trim panel for rear luggage compartment - section on "Installing" 700319 Removing and installing rear luggage compartment side-trim panel

Install left B-pillar trim panel -> 706719 Removing and installing B-pillar trim panel - section on "Installing" 706719 Removing and installing B-pillar trim panel.

Install rear seat -> 724819 Removing and installing rear seat - section on "Installing" 724819 Removing and installing rear seat (single-seat look).

Install front left side-section trim panel-> 702419 Removing and installing front side-section trim panel - section on "Installing" 702419 Removing and installing front side section trim.

Install subwoofer -> 913619 Removing and installing subwoofer - section on "Installing" 913619 Removing and installing subwoofer.

Install auxiliary battery -> 270719 Removing and installing auxiliary battery - section on "Installing".

Install Kessy antenna on rear impact member -> 966719 Removing and installing Kessy antenna - section on "Installing" 966719 Removing and Installing Kessy Antenna.
51. Lift vehicle -> 40 Lifting the vehicle.
52. Connect plug connection (rear wheel housing) -Arrows A- until the locking tab -B- is felt to engage.





53. Connect both plug connections (above angle sensor for headlight levelling system) -Arrows A- until locking tabs -B- are felt to engage.





Only in vehicles with Bi-XENON headlights and steel-spring running gear





54. Push connector onto angle sensor (rear wheel suspension) -Arrow A- until locking tabs -B- are felt to engage.
55. Push both connectors onto servo motor for rear-differential lock (rear differential) -Arrow A- until locking tabs -B- are felt to engage.





56. Fasten line with a new tie-wrap -C-.

Only for vehicles with off-road stabiliser and/or tyre pressure monitoring system





57. Push connector onto antenna for tyre pressure monitoring system -1- (rear wheel housing) -Arrow A- until locking tab -B- is felt to engage.
58. Connect plug connection for off-road stabiliser -2- -Arrow C- until locking tab -D- is felt to engage.

Connect the battery -> 90 Work instructions after disconnecting the battery.