975719 Removing and installing wire harness for power seats
WM 975719 Removing and installing wire harness for power seats
Information
- Fastening elements may be different from the parts described.
- The number of plug connections can vary, depending on equipment.
Preliminary work
1. Remove the front seat. -> 720119 Removing and installing front seat - section on "Removing" 720119 Removing and Installing Front Seat
2. Remove outer front seat trim. -> 721619 Removing and installing front seat trim - section on "Removing" 721619 Removing and installing front seat trim
Removing wire harness for power seats
NOTICE
Voltage peaks
- Risk of damage to load or to the control unit
-> Switch off ignition and remove remote control before disconnecting or removing load.
Information
Always comply with the regulations for handling ESD-sensitive components!
- Assembly work must only be carried out if the mechanic is wearing the working clothes and shoes approved by Porsche.
- The new part must only be removed from the ESD (electrostatic discharge) protective packaging just before installation and at the position at which the part is to be installed.
- Never touch the electric pins and plug contacts.
Installation position of wire harness for power seats
Connector under control unit for memory seat adjustment
Disconnect electric plug connections:
1. Release and unplug electric plug connection -1- for seat adjustment motor. -> 728719 Removing and installing seat adjustment motor - section on "Removing" 728719 Removing and Installing Motor For Seat Adjustment
2. Release and unplug electric plug connection -2- for seat heating. -> 741019 Removing and installing padding for front seat - section on "Removing" 741019 Removing and Installing Padding For Front Seat
3. Unclip bracket for seat heating connector -2- from the seat frame.
4. Release and unplug electric plug connection -3- for the belt lock. -> 692419 Removing and installing front belt lock - section on "Removing" 692419 Removing and Installing Front Seat-Belt Buckle
5. Unclip bracket for belt lock connector -3- from the seat frame.
6. Unclip footwell light -1- from the seat frame using a screwdriver -A-.
Removing footwell light
7. Release and unplug electric plug connection -4- for footwell light.
8. Release and unplug electric plug connection -5- for backrest heating. -> 741719 Removing and installing padding for front backrest - section on "Removing" 741719 Removing and Installing Padding For Front Backrest
9. Unclip bracket for connector for backrest heating -5- from the seat frame.
10. Release and unplug electric plug connections -6- for backrest wire harness (2 connectors). -> 721919 Removing and installing front backrest frame - section on "Removing" 721919 Removing and installing front backrest frame
11. Unclip two brackets for connectors for backrest heating -6- from the seat frame.
12. Release and unplug electric plug connection -7- for motor for rear vertical adjustment. -> 729219 Removing and installing motor for rear vertical adjustment - section on "Removing" 729219 Removing and Installing Motor For Rear Vertical Adjustment
13. Release and unplug electric plug connection -8- for motor for front vertical adjustment. -> 728819 Removing and installing motor for front vertical adjustment (seat angle) - section on "Removing" 728819 Removing and Installing Motor For Front Vertical Adjustment (Seat Angle)
14. Release and unplug electric plug connections -9- for control unit for memory seat adjustment (three connectors). -> 729319 Removing and installing control unit for memory seat adjustment - section on "Removing" 729319 Removing and Installing Control Unit For Memory Seat Adjustment
15. Unscrew fastening screw on bracket for control unit for memory seat adjustment and seat-surface extension and remove bracket from the catches on the seat frame. -> 740819 Removing and installing front seat-surface extension - section on "Removing" Service and Repair
16. Release and unplug electric plug connection -10- for motor for seat fore-and-aft adjustment. -> 740819 Removing and installing front seat-surface extension - section on "Removing" Service and Repair
17. Release and unplug electric plug connection -12- for seat occupancy detection.
18. Unclip bracket for connector for seat occupancy detection -12- from the seat frame.
Loosen fastening points:
19. Disconnect electric line from bracket -1- on seat adjustment motor.
Loosening fastening points on seat frame
20. Cut open tie-wraps -2 - 5-.
21. Disconnect electric line from bracket -6- on control unit.
Loosening fastening points under control unit
22. Cut open tie-wraps -7-.
Installing wire harness for power seats
Installation position of wire harness for power seats
Connector under control unit for memory seat adjustment
1. First lay the wire harness loosely in the seat, ensuring that it is positioned correctly.
2. Fit fastenings -1 - 5- and -6 + 7-.
Fitting fastening points on seat frame
Fitting fastening points under control unit
3. Press in fixing clips for the connectors -2, 3, 5, 6- and -12-.
4. Plug in electric plug connections -1 - 11- and -12- until the connector engages securely.
5. Fit footwell light in seat frame.
6. Fit the bracket into the cut-outs on the seat frame and screw in fastening screw on bracket for control unit for memory seat adjustment and seat-surface extension. -> 740819 Removing and installing front seat-surface extension - section on "Installing" Service and Repair
Subsequent work
1. Install outer front seat trim. -> 721619 Removing and installing front seat trim - section on "Installing" 721619 Removing and installing front seat trim
2. Install the front seat. -> 720119 Removing and installing front seat - section on "Installing" 720119 Removing and Installing Front Seat