Part 4
WM 970919 Removing and installing main wire harness
Completing the vehicle
1. Install left and right support.
Engaging the support
1.1. Position the support and engage in lower side member.
1.2. Press in the locating peg -1- of the support and check it is seated correctly.
Securing the support
1.3. Tighten the fastening nut -3- and fastening screws -2-. => Tightening torque: 7.2 Nm (5.5 ftlb.)
2. Lay the floor covering over the support and engage.
Information
Ensure that belt strap can run properly!
3. Fasten seat belt mount at left and right.
Installing seat belt and fitting
3.1. Tighten fastening screw -2- , seat belt with fitting -3- and spacer sleeve -4- on inner lower side member. => Tightening torque: 50 Nm (37 ftlb.)
3.2. Press in -1- cap.
Installing front main wire harness
Overview of connectors for front main wire harness, shown on the 911
1. Push through main wire harness in direction of plenum panel.
2. Fit grommets -41- centre, left and right.
3. Clip in wire harness on end plate under windscreen at the two retaining clips -arrow-.
Clipping in wire harness
4. Push on connector for fuel level sender -40- -Arrow A- and lock -Arrow B-.
Pushing on tank connector
5. Position battery retaining bracket and secure with the four fastening nuts. => Tightening torque: 10 Nm (7.5 ftlb.)
Removing and installing battery retaining bracket
6. Push on connector for alarm horn -39- until it is felt to engage. -> 966519 Removing and installing alarm siren - section on "Installing" Service and Repair
7. Push on connector for wiper motor -38- until it is felt to engage. -> 921519 Removing and installing wiper motor - section on "Installing" Service and Repair
Information
Only for vehicles with TPM.
8. Push connector onto front angle sensor for headlight beam adjustment -34- until it is felt to engage. -> 947819 Removing and installing front angle sensor for headlight beam adjustment - section on "Installing" 94781900 Removing and installing front angle sensor for headlight range adjustment
9. Push on connectors for windscreen washer system spray nozzle, left and right -32 and 33- until they are felt to engage.
10. Connect plug connections for PASM, front left and right -30 und 31- until they are felt to engage.
Connecting PASM plug connection
11. Push B+ line -29- onto mounting point at the power distributor as far as the stop. Check B+ line sits firmly. -> 978919 Removing and installing power distributor - section on "Installing" 97891900 Removing and installing power distributor
Information
Only for vehicles with I number 536
12. Push on connector for alarm siren -28- until it is felt to engage. -> 966519 Removing and installing alarm siren - section on "Installing" Service and Repair
13. Push on connector for pressure switch -27- until it is felt to engage. -> 878319 Removing and installing pressure switch - section on "Installing" Service and Repair
14. Push on connector of vertical sensor -26- until it is felt to engage.
15. Push on connector for radio antenna -25- until it felt to engage. -> 914719 Removing and installing radio antenna - section on "Installing" Service and Repair
16. Push on connector for GPS antenna -24- until it is felt to engage. -> 914719 Removing and installing radio antenna - section on "Installing" Service and Repair
17. Clip in wire harness for end plate under windscreen at the three retaining clips -arrow-.
Clipping in wire harness
Information
Only in the cabriolet.
18. Push in connector for rod antenna -23- until it is felt to engage.
19. Push on connector for tank filler neck -22-. -> 200719 Removing and installing filler neck - section on "Installing" Service and Repair
20. Push on connector for filler flap switching element -21- until it is felt to engage.
21. Push on connectors of front antenna for tyre pressure monitoring system -19 and 20- at left and right until they are felt to engage. -> 443819 Removing and installing antenna for tyre pressure monitoring system - section on "Installing" 443819 Removing and installing antenna for Tyre Pressure Monitoring (TPM)
22. Lay and connect ABS wire harness, front left and right -17 and 18-. -> 976555 Replacing ABS wire harness - section on "Installing" 976555 Replacing wire harness for anti-lock brake system (ABS)
22.1. Laying ABS wire harness
22.2. Tighten fastening screw of connector socket. => Tightening torque: 10 Nm (7.5 ftlb.)
22.3. Lock the plug connection securely.
23. Push through main wire harness in direction of luggage compartment.
24. Fit grommets -16- left and right.
25. Clip in wire harness to CD changer/navigation unit -arrows-.
Clipping in wire harness to CD changer/navigation unit.
26. Clip in wire harness to loudspeaker amplifier -Arrows A- and fix with new adhesive tape -Arrow B-.
Clipping in wire harness to loudspeaker amplifier
27. Clip in wire harness for front end control unit -arrow-.
Clipping in wire harness
28. Push on connector for tyre pressure monitoring system control unit -15- until it is felt to engage. -> 443419 Removing and installing control unit for tyre pressure monitoring system - section on "Installing" Service and Repair
29. Push on connector for brake fluid sender -14- until it is felt to engage.
30. Push on connector for hydraulic unit -13- and lock it. -> 453019 Removing and installing hydraulic unit - section on "Installing" Service and Repair
31. Push together plug connection between main wire harness and front-end wire harness, left -12- until it engages securely. Clip in connector socket.
32. Secure ground point left -11-.
Securing ground point
32.1. Connect ground straps and tighten fastening nut. => Tightening torque: 9 Nm (6.5 ftlb.)
33. Push connector onto fuse box for fan -2-.
Pushing connector onto fuse box for fan
33.1. Push connector onto fuse box for fan -Arrow A-.
33.2. Close lid -Arrow B- until it is felt to engage.
33.3. Position bottom of fuse box for fan on the clip -Arrow C- and clip in -Arrow D-.
34. Push together plug connection between main wire harness and front end wire harness, right -1-.
Pushing together plug connection between front end wire harness and main wire harness, right
34.1. Insert connector socket in the holder and turn anti-clockwise 90°.
34.2. Push together plug connection between front-end wire harness and main wire-harness right -Arrow A- and lock -Arrow B-.
Subsequent work
Subsequent work
1. Install front roof lining. -> 708419 Removing and installing headliner - section on "Installing"
2. Install operator control unit for garage door opener. -> 967819 Removing and installing operator control unit for garage door opener - section on "Installing" 96781900 Removing and installing control unit for garage door opener
3. Install vehicle electrical system control unit. -> 971019 Removing and installing vehicle electrical system control unit - section on "Installing" Service and Repair
4. Install relay carrier 1. -> 978319 Removing and installing relay carrier 1 - section on "Installing" 97831900 Removing and installing relay carrier 1
5. Install B+ line from power distributor to engine connection point. -> 974519 Removing and installing wire harness for starter battery - section on "Installing" 97451900 Removing and installing wire harness for battery wiring
6. Secure fuse box. -> 978409 Loosening and securing fuse box - section on "Securing" 97840900 Loosening and securing fuse box
7. Install left and right scuff plate. -> 680519 Removing and installing inner door sill trim - section on "Installing"
8. Install front seat at left and right. -> 720119 Removing and installing front seat - section on "Installing" 720119 Removing and Installing Front Seat
9. Install heating/fresh-air unit. -> 851519 Removing and installing heating/fresh-air unit - section on "Installing" Service and Repair
10. Install dashboard. -> 701819 Removing and installing dashboard - section on "Installing" 701819 Removing and installing instrument panel
11. Install auxiliary brake light. -> 947019 Removing and installing auxiliary brake light - section on "Installing" Service and Repair
12. Install rear side trim panel at left and right. -> 707519 Removing and installing rear side trim panel - section on "Installing" 707519 Removing and installing side trim panel
13. Install convertible top and water drip pan.
14. Install rear wheel housing liner.
15. Install relay carrier. -> 979019 Removing and installing relay carrier - section on "Installing" 97901900 Removing and installing relay carrier
16. Install rear luggage-compartment lining.
17. Install tank for windscreen washer system. -> 926019 Removing and installing tank for windscreen washer system - section on "Installing" Service and Repair
18. Install front cover. -> 519219 Removing and installing front cover - section on "Installing" 519219 Removing and installing Cover For Front Underbody
19. Install front wheel housing liner on left and right. -> 505619 Removing and installing front wheel housing liner - section on "Installing" Service and Repair
20. Installing front-end control unit -> 944919 Removing and installing front-end control unit - section on "Installing" 94491900 Removing and installing front control unit
21. Install trim panels for front luggage compartment. -> 700519 Removing and installing trim panel for front luggage compartment - section on "Installing"
22. Install loudspeaker amplifier.
23. Install navigation unit with retaining frame.
24. Install CD changer.
25. Install plenum panel cover. -> 852219 Removing and installing cover - section on "Installing" 85221900 Removing and installing cover
26. Install battery. -> 270619 Removing and installing battery - section on "Installing" 27061900 Removing and installing battery
Subsequent work
1. Install front roof lining. -> 708419 Removing and installing headliner - section on "Installing"
2. Install operator control unit for garage door opener. -> 967819 Removing and installing operator control unit for garage door opener - section on "Installing" 96781900 Removing and installing control unit for garage door opener
3. Install vehicle electrical system control unit. -> 971019 Removing and installing vehicle electrical system control unit - section on "Installing" Service and Repair
4. Install relay carrier 1. -> 978319 Removing and installing relay carrier 1 - section on "Installing" 97831900 Removing and installing relay carrier 1
5. Install B+ line from power distributor to engine connection point. -> 974519 Removing and installing wire harness for starter battery - section on "Installing" 97451900 Removing and installing wire harness for battery wiring
6. Secure fuse box. -> 978409 Loosening and securing fuse box - section on "Securing" 97840900 Loosening and securing fuse box
7. Install left and right scuff plate. -> 680519 Removing and installing inner door sill trim - section on "Installing"
8. Install front seat at left and right. -> 720119 Removing and installing front seat - section on "Installing" 720119 Removing and Installing Front Seat
9. Install heating/fresh-air unit. -> 851519 Removing and installing heating/fresh-air unit - section on "Installing" Service and Repair
10. Install dashboard. -> 701819 Removing and installing dashboard - section on "Installing" 701819 Removing and installing instrument panel
11. Install left and right side trim panels. -> 707519 Removing and installing rear side trim panel - section on "Installing" 707519 Removing and installing side trim panel
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12. Install rear wheel housing liner.
13. Install relay carrier. -> 979019 Removing and installing relay carrier - section on "Installing" 97901900 Removing and installing relay carrier
14. Install rear luggage-compartment lining.
15. Install tank for windscreen washer system. -> 926019 Removing and installing tank for windscreen washer system - section on "Installing" Service and Repair
16. Install front cover. -> 519219 Removing and installing front cover - section on "Installing" 519219 Removing and installing Cover For Front Underbody
17. Install front wheel housing liner on left and right. -> 505619 Removing and installing front wheel housing liner - section on "Installing" Service and Repair
18. Installing front-end control unit -> 944919 Removing and installing front-end control unit - section on "Installing" 94491900 Removing and installing front control unit
19. Install trim panels for front luggage compartment. -> 700519 Removing and installing trim panel for front luggage compartment - section on "Installing"
20. Install loudspeaker amplifier.
21. Install navigation unit with retaining frame.
22. Install CD changer.
23. Install plenum panel cover. -> 852219 Removing and installing cover - section on "Installing" 85221900 Removing and installing cover
24. Install battery. -> 270619 Removing and installing battery - section on "Installing" 27061900 Removing and installing battery