I just completed an express down setup for my driver side window. Like George said, I have it setup to open all the way when the you hit the down button. To have it opened a small amount you need to close it to the desired position. I am using the stock window switches. I only had to add a micro switch to tell when the window was fully open and a single wire from the micro switch to the relays that I installed behind the windows switches in the console.
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