Loosening Main Wire Harness In Passenger Compartment At The Right

→ The main wire harness contains all airbag lines, antenna lines and optical waveguides.

→ The main wire harness must not be separated and is always replaced as a complete wire harness when carrying out extensive repairs.

→ If individual lines are damaged, shut off these lines and install new lines. Lay the new lines along the main wire harness and secure them to the main wire harness.

Fig 1: Identifying Main Wire Harness In Passenger Compartment Installation Position (Right)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Release and pull off electric plug connection for seat heating for side cushion. → REMOVING SIDE CUSHION
2. Remove cable cover at the wheel housing.
   1. 2.1. Unscrew fastening nut -1-  .
   2. 2.2. Unclip fixing clip -2-  .
   3. 2.3. Lift up cable cover -4-  (-arrow A-  ).
   4. 2.4. Pull cable cover -4-  out of the locking mechanism -3-  (-arrow B-  ).
   5. 2.5. Loosen main wire harness.
   Fig 2: Removing Cable Duct From Wheel Housing
   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Loosen rubber sleeve and release and disconnect electric plug connection for TPM transmitter (trigger). → REMOVE TRANSMITTER FOR TMP AT FRONT
4. Unclip and remove supply line to TPM transmitter (trigger).
5. Release and pull off electric plug connection for rear right airbag sensor. → REMOVING AIRBAG SENSOR
6. Remove cable cover on rear inner sill.
   1. 6.1. Unscrew fastening screws -1-  on cable cover.
   2. 6.2. Remove cable cover. -arrows A and B- 
   Fig 3: Removing Cable Cover On Rear Inner Sill
   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
7. Unclip main wire harness.
8. Detach rubber sleeve for fuel level sensor and fuel pump control unit.
9. Release and disconnect electric plug connection for fuel level sensor. → REMOVING FUEL-LEVEL SENSOR
10. Release and disconnect electric plug connection for fuel pump control unit → REMOVING CONTROL UNIT FOR FUEL PUMP
11. Unclip and disconnect supply line to fuel level sensor and fuel pump control unit.
12. Release and disconnect electric plug connection for rear backrest.
13. Remove electric plug connection for door electrics.
    1. 13.1. Open rear door of the vehicle and detach rubber protection on wiring arrangement for door electrics from the B-pillar.
    2. 13.2. Release mounting housing -1-  (-arrow A-  ) and remove it from the B-pillar.
    3. 13.3. Release electric plug connection for door electrics -arrow B-  and disconnect it -arrow C-  .
    4. 13.4. Remove supply line for door electrics from the B-pillar.
    Fig 4: Removing Door Electrics Connector
    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
14. Release and disconnect electric plug connection for air vent lighting at the B-pillar.
15. Release and disconnect electric plug connection for seat-belt pretensioner. → REMOVING FRONT THREE-POINT BELT
16. Release electric plug connection for seat connection -1-  (-arrow A-  ) and remove it from the bracket -arrow B-  .
17. Loosen fastening nut for ground point -2-  under the passenger's seat and remove supply line -arrow C-  .
Fig 5: Releasing Seat Connection Connector And Ground Point
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
18. Unclip supply line for air-conditioning system sensor and servo motors for the rear footwell and release and disconnect electric plug connection → REMOVING AIR VENT
19. Release cable duct on passenger's seat.
    1. 19.1. Unscrew fastening nut -1-  on passenger's seat.
    2. 19.2. Pull cable duct -arrow-  up and release it from the retaining clip.
    Fig 6: Loosening Cable Duct
    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
20. Unclip and disconnect main wire harness at the front inner sill. -arrow- 
    Fig 7: Unclipping Main Wire Harness At Front Inner Sill

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
21. Loosen fastening nut -1-  for ground point at the A-pillar and remove supply line -arrow-  .
    Fig 8: Disconnecting Ground Point At A-Pillar

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
22. Release and disconnect electric plug connection for center airbag sensor. → REMOVING AIRBAG SENSOR
23. Release cable duct at the A-pillar.
    1. 23.1. Unscrew fastening nut -1-  for cable duct.
    2. 23.2. Release cable duct -2-  by pulling it -arrow-  off the fixing clip.
    Fig 9: Releasing Cable Duct From A-Pillar
    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
24. Unclip and disconnect antenna supply line and antenna in the roof area. → WM 912824 INSTALLING ANTENNA LINES (EXCEPT PANAMERA S EXECUTIVE, PANAMERA EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA TURBO S, PANAMERA TURBO S EXECUTIVE, PANAMERA GTS)