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So I have for the sake of my sanity rechecked what I checked previously. The current situation is: 1. Operating the switch only produces a click at the BCU when the UP switch is operated. 2. Earthing pin CO662-1 produces a click 3. Measuring the voltage at the motor connection produces SU live...

Hey Guys, I'm very grateful to you both for taking the time to help me. I'm wondering if there is an issue with the wiring between the switch and the BCU. I think my next move will be to try earthing what should be the UP feed at CO660-18 to see what happens. I'll let you know how it goes...

So now I really am confused! I put 12v across the motor and can drive the window up and down. So I drove the window half down and reconnected CO326 and discovered that both operating the up switch and earthing CO662-1 caused the window to drive UP. Also measuring across CO326 open circuit, I can...

Thanks for asking! I have made a little progress in that I have discovered that earthing pin CO662-1 as suggested by Sierrafery now produces a click at the BCU. This suggests that I have a broken wire/earth issue between the switch and BCU. Unfortunately, although the BCU clicks, the window...

I tried to put an earth into CO662-1 but not sure I managed to make a connection. Maybe I'll try the old pin through the wire trick.

My 2002 Disco 2 has developed a fault with the LH Front window not opening. I have trawled through all the relevent threads on here and elsewhere but the key different symptom I'm getting to all threads I've read is that when I press the switch down I do not get a clicking noise at the BCU...