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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> 97 Lines -- 992 - 911 CARRERA (992) >> WM, 970909 Loosening And Securing Main Wire Harness In Passenger Compartment At The Left >> Loosening Main Wire Harness In Passenger Compartment At The Left

Loosening Main Wire Harness In Passenger Compartment At The Left

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 

Always comply with the regulations for handling ESD-sensitive components!

  1. Release and disconnect electric plug connections for front-end electronics control unit -1-  .
    G15535490Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connection

  2. Remove fuse box -6-  .
    1. 2.1 Release and disconnect electric plug connections for wire harness for dashboard -1-  .
    2. 2.2 Unscrew fastening nuts -2-  and remove ground lines -3-  .
    3. 2.3 Screw off fastening nuts -4-  .
    4. 2.4 Release locking lug -5-  and remove fuse box -6-  (-arrow-  ).
    G15535491Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Fuse box

  3. Release and disconnect electric plug connections -1-  at the fuse box.
    G15535492Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connections

  4. Loosen fastening points.
    1. 4.1 Unscrew fastening nut -2-  and remove ground lines -3-  .
    2. 4.2 Loosen fixing clips -4-  .
    G15535493Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Fastening points

  5. Loosen fastening points.
    1. 5.1 Release and disconnect electric plug connections for seat belt -1-  .
    2. 5.2 Unclip cover on cable duct on B-pillar -2-  and remove it -arrow-  .
    3. 5.3 Loosen fixing clips -3-  .
    G15535494Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cable duct cover

  6. Release and disconnect electric plug connections.
    1. 6.1 Release and disconnect electric plug connection for transmission control unit -1-  .
    2. 6.2 Release and disconnect electric plug connections for gateway control unit -2-  .
    3. 6.3 Release and disconnect electric plug connections for seat-belt buckle -3-  .
    4. 6.4 Loosen fixing clips -4-  .
    G15535495Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connections

  7. Release and disconnect electric plug connections.
    1. 7.1 Release and disconnect electric plug connections at rear cross-over -1-  .
    2. 7.2 Release and disconnect electric plug connection for control unit for engine mount -2-  .
    3. 7.3 Release and unplug electric plug connections -3-  .
    4. 7.4 Release and disconnect electric plug connection on acceleration sensor -4-  .
    5. 7.5 Unscrew fastening nuts -5-  and remove ground lines -6-  .
    G15535496Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connections