Can anyone help me?
The passenger electric window stopped working about 6 weeks ago, after cleaning the switch it was as good as new.
Then it started to work intermittent. Now it has stopped altogether. I have swapped the working switch but still not working??
Any help would be appreciated.
Window problem!
Moderator: martauto
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votivequagmire
- E30 Zone Regular

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- Joined: Wed May 24, 2006 11:00 pm
- Location: Swansea, South Wales.
One of the places I might check is the cable connection at the hinge point of the passenger door. These are prone to corrosion and cause all sorts of unusual faults in the doors. If you've tried a known good switch but still nothing then I'd rule that out. Did you try the switch you cleaned up in the driver's side to ensure it was working?
Does the switch illuminate when ready to operate?
Does the switch illuminate when ready to operate?
'88 325i M20, could've done with a sunroof.
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Johnboy83
- E30 Zone Newbie

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Yes both switches work on the drivers side and both light up but do not operate?
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votivequagmire
- E30 Zone Regular

- Posts: 428
- Joined: Wed May 24, 2006 11:00 pm
- Location: Swansea, South Wales.
Yeah it sounds like something between the switch and the window mech has decided it doesn't want to play anymore. I guess the only other test is to apply 12 V to the window motor and see if it moves. But it sounds more like an electrical contact fault somewhere.
'88 325i M20, could've done with a sunroof.
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votivequagmire
- E30 Zone Regular

- Posts: 428
- Joined: Wed May 24, 2006 11:00 pm
- Location: Swansea, South Wales.
There isn't really anything else between the switch and the motor but cable and a couple of connectors.
'88 325i M20, could've done with a sunroof.
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Johnboy83
- E30 Zone Newbie

- Posts: 50
- Joined: Mon Jan 20, 2014 11:00 pm
Thanks, I will have a proper look tomorrow, it was something that I put off doing!
