If your problem is turning your picture the right way, moving your sync wires wont work. You are going to have to either turn your monitor or take your yoke wires and turn each two pair 180 degrees in the same spot. So let say the vert. wires are yellow and blue( cannot remember exact colors) left to right. Now they should be blue and yellow. same for the other pair of color wires. Basically your reversing the flow.
If it is a Go7cbo or wells 4600 look a schematic because they add a extra space and connector. Also just check the schematic and see the connections so you know before you touch anything.
All said and done check your manual and see if their is a dip switch that will flip the screen and you will not have to worry about what i typed before.