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975619 Removing and installing wiring for backrest


WM 975619 Removing and installing wiring for backrest

Information

- Fastening elements may be different from the parts described.
- The number of plug connections can vary, depending on equipment.

Preliminary work

1. Remove padding for front backrest. -> 741719 Removing and installing padding for front backrest - section on "Removing" 741719 Removing and Installing Padding For Front Backrest

Removing wiring for backrest

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 backrest





1. Release and unplug two electric plug connections -1- for the backrest wire harness. -> 721919 Removing and installing front backrest frame - section on "Removing" 721919 Removing and installing front backrest frame
2. Release and unplug electric plug connection -2- for the air cushion motor. -> 723919 Removing and installing motor for air cushion - section on "Removing" 723919 Removing and installing motor for air cushion
3. Unscrew two fastening screws for the backrest air cushion. -> 721719 Removing and installing air cushion for backrest - section on "Removing" 721719 Removing and installing air cushion for front backrest
4. Release and unplug electric plug connection -3- for control valve for air cushion. -> 723819 Removing and installing control valve for air cushion - section on "Removing" 723819 Removing and installing control valve for air cushion
5. Release and unplug two electric plug connections -4- for lumbar support. -> 723419 Removing and installing lumbar support - section on "Removing" 723419 Removing and installing lumbar support
6. Release and unplug electric plug connection -5- for motor for backrest adjustment. -> 728919 Removing and installing motor for backrest adjustment - section on "Removing"
7. Cut open tie-wraps -1- on the backrest frame.





Loosening fastening points

Installing wiring for backrest





Installation position of wire harness for backrest





1. First fit the wire harness loosely in the backrest, ensuring that it is positioned correctly.
2. Fit tie-wraps -1-.





Fitting tie-wraps

3. Plug in electric plug connections -1 - 5- until the connectors engage securely.
4. Screw in two fastening screws for the backrest air cushion. -> 721719 Removing and installing air cushion for backrest - section on "Installing" 721719 Removing and installing air cushion for front backrest

Subsequent work

1. Install padding for front backrest. -> 741719 Removing and installing padding for front backrest - section on "Installing" 741719 Removing and Installing Padding For Front Backrest