Re: Power Windows problem (archive)

Personally I'd check all the BROWN wires - the earths - because it sounds as if one of the curcits is disconnected and "piggybacking" off the other... also, have you checked the state of the wires going into the computer ("general module" under the rear seat). There are some huge earth-wire bundles there too, check them for loose wires and/or bolts.

Other thought would be to check the wiring condition in the doors themselves too - water can get in and "wick" along the cables too. Check especially the wiring to the up/down switches in the rear door - that would be the prime suspect for somehow affecting the other up-down switches.

Hope this helps as a start... last thought is also to check the operation of the courtesy-close switch on the drivers' door lock (you know, the turn the key to 90deg and hold it, and all the windows/sunroof closes...?) This is the only standard auto-movement feature on the windows (other than the drivers' one) and your problem sounds strangely like a confused auto-close...

Max

Hello all. On the driver side, when I want the rear window down and the front one is already down, the front one rolls up before the rear one goes down and vise versa, when I press for the front window to go up the rear window goes all the way down then the front window goes up. I've disconnected the power buttons and cleaned the connectors just not sure what else to do....Oh by the way I'm in Germany...yes it rains here very often. Help!

Johnnie
89 750I
230k

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