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Yes. Most of the switches in the car are negative, not positive. Note the brown wire in the schematic: it is labeled GP4 (ground point 4).
When you activate the stock switch to either open or close the top, you are sending ground through the open or close wires (Black with blue stripe and black with green stripe) to the controller.
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Last edited by particlewave; 01-22-2016 at 01:04 PM.
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