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Home >> Porsche >> 2011 >> 911 Speedster >> Repair and Diagnosis >> Accessories & Equipment >> Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.) >> 97 - Cables -- CARRERA (997) >> WM 970919 Removing And Installing Main Wire Harness (All Models) >> Removing Main Wire Harness >> Notes

Removing Main Wire Harness: Notes

NOTE: Incorrect handling of main wire harness
  • Risk of damage to lines

→ 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.

Information 

Depending on the equipment I No., the installation positions of the audio components in the front luggage compartment differ.

Fig 1: Overview Of Connectors For Front Main Wire Harness
G09831086Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  1. Plug connection between main wire harness and front-end wire harness right
  2. Fuse box for fan
  3. Connector for front-end control unit
  1. 4-6  - Connector for navigation unit
  2. 7-8  - Connector for CD changer
  3. 9  - Connector for loudspeaker amplifier
  4. 10  - Connector for luggage compartment light
  5. 11  - Ground point
  6. 12  - Plug connection between main wire harness and front-end wire harness left
  7. 13  - Connector for hydraulic unit
  8. 14  - Connector for brake fluid sender
  9. 15  - Connector for tire pressure monitoring system control unit
  10. 16  - Grommet
  11. 17-18  - Plug connection for ABS wire harness, front left and right
  12. 19-20  - Connector for tire pressure monitoring system antenna, left and right
  13. 21  - Connector for filler flap switching element
  14. 22  - Connector for tank filler neck
  15. 23  - Connector for rod antenna
  16. 24  - Connector for GPS antenna
  17. 25  - Connector for radio antenna
  18. 26  - Connector for vertical sensor
  19. 27  - Connector for pressure switch
  20. 28  - Connector for alarm siren
  21. 29  - B+ line to power distributor
  22. 30-31  - Plug connection for PASM, front left and right
  23. 32-33  - Connector for windscreen washer system spray nozzle, left and right
  24. 34  - Connector for headlight beam adjustment angle sensor
  25. 35  - Connector for fluid level indicator sender
  26. 36  - Connector for windscreen washer system pump
  27. 37  - Connector for headlight washer pump
  28. 38  - Connector for wiper motor
  29. 39  - Connector for alarm horn
  30. 40  - Connector for fuel level sensor
  31. 41  - Grommet
  1. Disconnect plug connection between main wire harness and front-apron wire harness, right -1-  .
    Fig 2: Disconnecting Plug Connection Between Front And Main Wire Harness
    G09831087Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 1.1. Release plug connection between front-apron wire harness and main wire harness, right -arrow a-  and disconnect -arrow B-  .
    2. 1.2. Turn socket 90° clockwise and remove.
  2. Pull off connector on fuse box for fan -2-  .
    Fig 3: Pulling Off Connector On Fuse Box For Fan
    G09831088Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 2.1. Unclip fuse box for fan -arrow A-  and lift up and off -arrow B-  .
    2. 2.2. Release lid -arrows-  and open -arrow C-  .
    3. 2.3. Pull off connector on fuse box for fan -arrow D-  .
  3. Loosen left ground point -11-  .
    Fig 4: Loosening Ground Point
    G09831089Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 3.1. Screw off fastening nut and remove ground straps.
  4. Release plug connection between main wire harness and front-apron wire harness, left -12-  and disconnect. Unclip connector socket.
  5. Release connector on hydraulic unit -13-  and pull it off. → Removing hydraulic unit - "Removing" section
  6. Release connector on brake fluid sender -14-  and pull it off.
  7. Release and pull off connector on TPM control unit -15-  . → Removing Control Unit For Tire Pressure Monitoring (TPM) - section on "Removing"
  8. Unclip wire harness for front apron control unit -arrow-  .
    Fig 5: Unclipping Wire Harness
    G09831090Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  9. Unclip wire harness to loudspeaker booster -arrows A-  and remove adhesive tape -arrow B-  .
    Fig 6: Unclipping Wire Harness To Loudspeaker Amplifier
    G09831091Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  10. Unclip wire harness to CD changer/navigation unit -arrows-  .
    Fig 7: Unclipping Wire Harness To CD Changer/Navigation Unit
    G09831092Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  11. Remove grommets -16-  on left and right.
  12. Pull through main wire harness in direction of plenum panel.
  13. Disconnect and release front left and right ABS wire harness -17 and 18-  . → Removing Wire Harness For Anti-Lock Brake System (ABS) - "Removing" section
    1. 13.1. Release and disconnect plug connection for wheel sensor at left and right.
    2. 13.2. Unscrew fastening screw of connector socket.
    3. 13.3. Release rear wire harness.
  14. Release and pull off connectors on front TPM antennas -19 and 20-  on left and right. → Removing TPM Antenna - "Removing" section
  15. Release and pull off connector of switching element for filler flap -21-  . → Removing switching element for filler flap - "Removing" section
  16. Pull off connector from tank filler neck -22-  . → Removing Filler Neck - "Removing" section

    Information 

    Only in the cabrio.

  17. Release connector on rod antenna -23-  and pull it off.
  18. Unclip wire harness on end plate under windscreen at the three retaining clips -arrow-  .
    Fig 8: Unclipping Wire Harness
    G09831093Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  19. Release connector on GPS antenna -24-  and pull it off. → Removing GPS Antenna - "Removing" section
  20. Release connector on radio antenna -25-  and pull it off. → Removing Mobile Communication Antenna - "Removing" section
  21. Release connector for vertical sensor -26-  and pull it off.
  22. Release connector for pressure switch -27-  and pull it off. → Removing Pressure Switch - "Removing" section

    Information 

    Only for vehicles with I number 536

  23. Release connector for alarm siren -28-  and pull it off. → Removing alarm horn - "Removing" section
  24. Release and pull off B+ line -29-  from power distributor. → Removing Power Distributor  - "Removing" section
  25. Release plug connections for PASM, front left and right -30 and 31-  (-arrow a-  ) and disconnect.
    Fig 9: Disconnecting PASM Plug Connection
    G09831094Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  26. Release and pull off connectors for windscreen-washer spray nozzles, left and right -32 and 33-  . → Removing spray nozzle for windscreen washer system - "Removing" section

    Information 

    Only for vehicles with TPM.

  27. Release and pull off connector on front angle sensor for headlight beam adjustment -34-  . → Removing Front Angle Sensor For Headlight Beam Adjustment (HBA) - "Removing" section
  28. Release and pull off connector on wiper motor -38-  . → Removing wiper motor - "Removing" section
  29. Release and pull off connector on alarm horn -39-  . → Removing alarm horn - "Removing" section
  30. Undo the four fastening nuts on the battery retaining bracket and remove the battery retaining bracket.
    Fig 10: Removing Battery Retaining Bracket
    G09831095Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  31. Release connector on fuel level sender -40-  (-arrow A-  ) and pull it off -arrow B-  .
    Fig 11: Pulling Off Tank Connector
    G09831096Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  32. Unclip wire harness on end plate under windscreen at the two retaining clips -arrow-  .
    Fig 12: Unclipping Wire Harness
    G09831097Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  33. Remove grommets -41-  in center, and on left and right.
  34. Pull through main wire harness in direction of interior.
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