OK this damn grapple has been off and on GOK's how many times. I went to put it back on and hook up the hoses,, WTF???? Every other coupler went on click and set. The 2 for the grapple, at the grapple NADE push cuss push cuss, nada,, the colors will not move at all what am I missing,, I mean really this aint the first time off and back on,, I am missing something really really really stupid! What is it?