An apparatus and method of electrically coupling a previously implanted stimulation lead with a replacement neurostimulator device. The apparatus and method configured to operably couple a proximal portion of a neuromodulation adaptor including a plurality of electrical conductors spaced apart at a first pitch spacing to a corresponding plurality of electrical terminals of a replacement neurostimulator device, and operably couple a distal end of the neuromodulation adaptor including a plurality of conductor elements and an electrically active set screw spaced part of a second pitch spacing to a corresponding plurality of electrical connectors of a previously implanted stimulation lead.