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Can anyone help with this. The motor works fine both ways if directly conected to a battery but will only go up with either driver or passenger switchs. I've tried 2 new switches and its still the same. The motor has 2 wires (power + ground) and when energised the window will go up, to get it to go down the polarity is reversed. The problem i have is on the up phase everything is fine but on the down phase both wires are live which causes the motor not to work.

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Looking at the circuit diagram, there's something in the circuit called a "Window Voltage Module" (looks like a relay and is located just below the fusebox under the bonnet (first relay (from the cockpit), inboard)).

Don't know how expensive it is, but you could try giving it a "technical tap" or reseating it before buying a new one.

Please let us know how you go.



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Fixed it! It was a wire loose on the drivers side switch, had me stumped for a while as it was only the passenger window that didn't work. Thanks for the help though Ian and thanks to Troy for the wiring diagram info.

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