976119 Removing and installing wiring harness for additional heating

WM 976119 Removing and installing wiring harness for additional heating

Preliminary work

Remove complete heater. -> 822019 Removing and installing complete heater - section on "removing" 822019 Removing and installing complete heater

Removing wiring harness for additional heating





Overview of wiring harness for additional heating

1. Release connector -Arrow A- and pull off -Arrow B-.





Pulling off connector (1)

2. Release connector -Arrow A- and pull off -Arrow B-.





Pulling off connector (2)

3. Release inner connector -1- -Arrow A- and pull it off -Arrow B-.





Pulling off inner and outer connectors

4. Release outer connector -2- -Arrows C- and pull off -Arrow D-.
5. Pull off line together with water pipe clip -Arrow-.





Pulling off line from water pipe

6. Mark the exact installation position of the line in the clips with adhesive strips -A-.





Marking installation position of line

7. Open the clips -Arrows B- and remove the line -Arrow C-.
8. Unscrew clips -Arrows- and remove from threaded bolt.





Removing clips

Installing wiring harness for additional heating

1. Push the clips onto the threaded bolts -Arrow-.





Installing clips

Information

- When replacing the wiring harness, transfer the position markings of the clips to the new harness.

2. Insert wiring harness in the clips -Arrows A- and press in the clip to the first notch only -Arrows B- - do not press down.





Positioning wiring harness

3. Align wiring harness with the clips at the adhesive tape markings -Arrows C- -Arrows D- and press in the clips fully -Arrows B-.
4. Clip the line to the water pipe again -Arrow-.





Clipping line to the water pipe

5. Push on connector -Arrow A- until the locking tab -Arrow B- is felt to engage.





Plugging in connector

6. Plug in outer connector -2- -Arrow A- until the locking tabs are felt to engage -Arrows B-.





Plugging in inner and outer connectors

7. Plug in inner connector -1- -Arrow C- until the locking tab -Arrow D- is felt to engage.
8. Plug in connector -Arrow A- until the locking tab -Arrow B- is felt to engage.





Plugging in connector

Subsequent work

Install complete heater. -> 822019 Removing and installing complete heater - section on "installing" 822019 Removing and installing complete heater