Your Code 3 ArrowStik controller should have a 7-pin green plug on the back of it, and also one black flying lead with a yellow male 1/4" quick disconnect at the end.
The controller probably looks something like this:
The green plug is normally wired like this:
[Broken External Image]:
http://img837.imageshack.us/img837/5096/greenplug.png
An AS-10 is normally found to be wired something like this:
[Broken External Image]:
http://img148.imageshack.us/img148/9027/as10.png
The following instructions ought to be of some value to you. You will need to substitute the correct wire colors for your ArrowSitk.
On the back of the controller:
The flying lead (black) should be connected to ground.
On the green plug:
The wire at position seven (depicted as red) should be connected to +12v DC.
The wire at position one (depicted as brown) should be connected to the farthest right segment of the ArrowStik.
The wire at position two (depicted as orange) should be connected to the right-center segment of the ArrowStik.
The wire at position three (depicted as violet) should be connected to the center segment of the ArrowStik.
The wire at position four (depicted as yellow) should be connected to the left-center segment of the ArrowStik.
The wire at position five (depicted as blue) should be connected to the farthest left segment of the ArrowStik.
On the ArrowStik harness:
The black lead, which you already know is for power, should be connected to +12v DC.