Ok need some expert advice please, 2006 caterpillar 302.5c. Im trying to put a thumb on and the thing will only run one way with the auxiliary hydraulic switch, I have the valve in the 2 way position and also tried it in the one way still same result. I checked the sw all the way down to the solenoids and have power all the way, when I operate one side of the switch the thumb will close when I operate the other side of the sw nothing happens, I did notice that when I do operate this side of the sw the swing stops working. what am I doing wrong?
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