Removing Main Wiring Harness - Right Roof Area

Cut tie-wrap -a- (roof rack rear).

Fig 1: Cutting Tie-Wrap (Roof Rack Rear)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Release bracket -Arrows A- and remove the plug connections -Arrows B- .
Release plug connections (roof rack rear) -Arrow C- and disconnect -Arrows D- .
Release socket holder -Arrows A- and remove it -Arrow B- .

Fig 2: Removing Socket Holder
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Release socket holder -Arrow C- , open it -Arrow D- and remove the lines -Arrow E- .
Disconnect plug connection of water line (roof rack rear) -Arrows- .

Fig 3: Disconnecting Plug Connection Of Water Line (Roof Rack Rear)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Cut the tie-wraps -Arrows A- .

Fig 4: Cutting Tie-Wraps
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Unclip wire harness -Arrows B- .
Disconnect plug connection of water line.
Remove main wire harness - dashboard area and centre console → Removing Main Wiring Harness - Engine Compartment .