Do you your electric windows stop working as soon as you turn off the ignition, if so it could be the 20amp door fuse where your accelarator pedal is.
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This controls the door ecu, if its blown it will stop the central locking and windows working once the ignition is off.
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The door ecu is in a yellow box just above your right foot to the right if you need to access it, either that or take the panel off under the steering wheel,
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(about 4 screws) take the air pipe off for the vent, 1 screw, then you can see the door ecu.
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