Driver side window will not roll down

2005 AUDI A4
150,000 MILES • 1.8L • 4 CYL • 4WD • AUTOMATIC
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CODDO5659
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All of a sudden the driver's side window will not roll down. You can roll the other 3 windows down at driver's side control but not at the individual controls.

I have replaced the drivers side switch and the main window motor unit.

Yes I have checked the fuse and even swapped it out.

I would greatly appreciate any suggestions on what to check next.

Charles
Jun 7, 2020 at 7:55 AM
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AL514
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Hello, was the fuse blown? It sounds like there's a wiring problem in the wiring loom where the door meets the frames. pull that open and see if there's and broken wires in there.
Jun 7, 2020 at 8:57 AM
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CODDO5659
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No the fuse was not blown. I will pull the look back and take a look at the wires. Thank you for your reply.
Jun 7, 2020 at 8:59 AM
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AL514
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No problem, let us know what you find. the wires move a lot in there, every time you open and close your door, so that's where I'd start.
Jun 7, 2020 at 9:06 AM
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CODDO5659
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That fixed the problem. Looks like a kid got in there with a knife it was so bad. I'm hopeful that will also fix my parasitic draw problem.

Thank you so much for the advice.
Jun 7, 2020 at 4:26 PM
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AL514
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It's so weird how wires just end up snapped like that, as for the draw issue, is it an overnight no start ?
Jun 7, 2020 at 4:40 PM
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CODDO5659
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More like 2 nights. I put a meter on it before and it was like 1.5 amp draw after everything finally cycled off.
Jun 7, 2020 at 4:43 PM
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AL514
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Okay, the best way to watch for a draw is keep the amp clamp on the circuit to watch the draw and next go across each fuse after the system has gone to sleep, any fuse that is registering a voltage reading has current flow on it. Instead of unplugging fuses because that's only going to wake modules back up and some take up to 20 minutes I think to time out.
Jun 7, 2020 at 4:56 PM
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CODDO5659
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Okay. I will give that a try next weekend. Thank you again for all of your help.
Jun 7, 2020 at 5:32 PM
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AL514
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No problem, if you have any questions hunting down the parasitic draw let us know, there's a lot of super smart techs on here and if I can't figure it out one of them will have an answer. Have a great day.
Jun 8, 2020 at 10:45 AM
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VINCE11
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I am having the same problem . Where is this wiring loom on driver side or passenger sides? Of it is on driver side how is possible that we can send up and down the windows from the driver master power switch but not from their individual are the getting power all from the driver master power switch? I will re open mine to look for this cause until now i didn't find anything that can cause this kind of problem.
Oct 3, 2020 at 12:44 AM
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STEVE W.
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There are wire harnesses to each door. Each has it's own power and ground however the actual motion from the drivers controls are through the computer network connected to the drivers door control module. Each door local control sends a signal to that module telling it up or down. Then the module commands the motor for the window. If the control wires get broken or shorted it can cause problems depending on what broke and how. The wiring diagram is attached.
Oct 3, 2020 at 9:45 AM