Im a lil confused with the power supply to the instruments, there is a perm supply (colour purple) and ign sw supply (colour green).
Now my question is do these wires both go to the + terminal on the gauge?
or do i only use one of the wires?
if so which one?

It is normal to wire up the gauges with a supply from the ign (green).
If you have a clock that will need a perm. supply (purple)

Ben (Luego)