This is what I have:

I found this schematic but I'm not sure what to wire were..

I maked this schema of the Position PCB, Gun 1 and Power Supply. Can someone help me with what to wire were?

As you can see I don't have electronical knowedge. I think I only can understand this kind of answer:
J1 conector - Hole 1 - Power Supply 24v
J1 conector - Hole 2 - ...
J1 conector - Hole 3 - ...
J1 conector - Hole 4 - ...
J1 conector - Hole 5 - ...
J1 conector - Hole 6 - ...
J2 conector - Hole 1 - Gun 1 24v
J2 conector - Hole 2 - ...
J2 conector - Hole 3 - ...
J2 conector - Hole 4 - ...
J2 conector - Hole 5 - ...
J2 conector - Hole 6 - ...
J2 conector - Hole 7 - ...
J2 conector - Hole 8 - ...
J2 conector - Hole 9 - ...
J2 conector - Hole 10 - ...
J2 conector - Hole 11 - ...
J2 conector - Hole 12 - ...
J2 conector - Hole 13 - ...
J2 conector - Hole 14 - ...
J2 conector - Hole 15 - ...
J4 conector - Hole 1 - ...
J4 conector - Hole 2 - ...
J4 conector - Hole 3 - ...
J4 conector - Hole 4 - ...
J4 conector - Hole 5 - ...
J4 conector - Hole 6 - ...
J4 conector - Hole 7 - ...
J4 conector - Hole 8 - ...
J4 conector - Hole 9 - ...
Thanks you very much in advance, and sorry for my poor English