I posted this on the Focus ST part of the forum but as I am new to the forum Im not sure where the popular sections are :P So here goes again lol.

I understand there is a common fault with these windscreens where the drivers side stops demisting.

My question is has anyone on here managed to repair this? I have and I was going to make a picture and instruction help page if no one else has already done so.

It really is an easy repair and only takes around 30mins


Regards Dougie

 

i think you should a post mate to show wot you did to fix it

 

I will do man, do you no if anyone on here has spoke about trying to fix it ?

 

ok so here is a few simple instructions on how to repair your faulty heated front windscreen.

1. Open bonnet
2. Remove rubber covers on window wipers. Expose nuts
3. Using a set of grips or spanner undo bolts
4. THE WINDOW WIPERS.
To remove the wipers, push down on the join and pull the wiper arm towards the engine bay and lift up. x2
5. You will see around about 8 clips holding on the plastic trim that the wiper supports come through. Remove these clips
6. Remove plastic trim, this just peels off.
7. Now you have exposed the window wiper bars and heating elements.
Take a look on the driver side and you will see a cable hanging loose and a black tab hanging from under your window.
8. Disconnect cable and cut open the opposite end to expose the cable inside. You will see small square of treated copper.
9 scrape off the silver to expose copper.
10. Get some 2.5mm stranded cable around 10 inches is enough. strip 10mm of insulation away and using a solder iron tin the end fully. Heat shrink can be added to this cable.
11. Tin with solder the exposed copper on the small square of copper.
12. If you can clamp these 2 cables together while you solder then do so as it can be tricky. If not get someone to help you.
13. Heat both parts together and add extra solder to join both parts. Leave to cool/set then slide black rubber over the joint and tape closed.
14. Using the same method as you have just carried out, peel back some of the black covering to expose the silver looking copper. scrape away carefully a section to expose the copper and tin with solder.
15. Strip around about 15mm off insulation from the other end of the cable and tin with solder.
16. Clamp these to sections together or get a friend to hold.
17. Apply heat from the solder iron and add extra solder to get a good connection. Leave to cool and set and then tape exposed joint.
18. Plugging the cable back in and test window to make sure it now works. This can be tested by boiling a kettle and letting it sit in your car.
19. Once you have confirmed the window heater works unplug and reroute the cable so it is kept as far away from the wiper bars as possible. Reconnect the plug.
20. It is now time to put the plastic trim back on.
TIP make sure the trim is fixed into the runner bar first before putting clips back on.
21. With the trim all secure and clips in place, rescuer the wiper blades. The same rule applies when putting back on as you did taking off. but push the wiper up the window.
22. Job Complete.