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That's normal for it to go down. It's not a specific direction for each one. I know 1 is gnd, I THINK one is Y and one is X but I don't know the last. What are you trying to wire this for?
Hi DrgnSlyr,I saw your PM last night, sorry for not replying sooner, I was busy with a few other things. The analog stick uses two potentiometers (for x and y axis) which allow the position of the stick to be determined by how much resistance is being placed on the current traveling through them. Because the stick always returns to the center, there is a default resistance applied just by it being connected, this means that joystick movements will drift to the corner when there isn't a proper connection, or when no joystick is connected at all. Going from the top down in the photo you posted above, the contacts are GND, X axis, +, and Y axis. Current flows from the third contact to the X and Y contacts, and the potentiometers control how much passes thorough by changing the resistance between the X/Y axis contacts, and the third and first contacts. A lowered resistance to the GND contact will cause the voltage to drop, while a lowered resistance to the third contact will cause the voltage to rise. Electro has a good diagram of this in his L2/R2 mod tutorial. Connecting these contacts directly will result in sharp movements, but tends to throw off the calibration of the analog to digital converter (at least when I tried it).
i super glued the pin back but not sure if it's functions