A template system for use in conjunction with a multiple reservoir or chambered implantable infusion pump is disclosed. The template system preferably includes at least one template having opening(s) for guiding a needle or syringe to various ports of the multiple reservoir pump. Preferably, each template includes at least two surfaces for cooperating with a like portions of the implantable pump, for properly seating the template on the pump. A kit is also disclosed including three templates for guiding injections into different ports of the pump.