Good job I asked for help !

Here is a picture of the other board where the ribbon cable originates from

Click image for larger version. 

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So if I disconnect the ribbon from the Gecko board, then with the meter set to ohms, do I activate pins 9 and 10 in Mach 3 and then see which wire ? which is steps and which is dir ?

Sorry if I sound a bit thick, but I am a bit thick when it comes to wiring and I dont want to cock it up !