An implantable medical device, comprising: a housing; circuitry within the housing; a feedthrough electrically connected to the circuitry and providing a plurality of feedthrough conductors externally of the housing; an elongated body having a proximal end and a distal end; a plurality of conductors arranged in the elongated body, each conductor of the plurality of conductors having a proximal end and a distal end, the proximal ends of the conductors being electrically coupled to the feedthrough conductors in proximity to the proximal end of the elongated body; a connector attached to the distal end of the body, the connector comprising: a plurality of adjacent contact modules, each contact module having at least one lead passageway and a plurality of channels circumferentially spaced around the contact module; a plurality of contact isolators, with contact isolators of the plurality of contact isolators being disposed within each of the at least one lead passageways of the corresponding contact modules of the plurality of contact modules; and a plurality of electrical contacts positioned within the lead passageway of each contact module, with at least one electrical contact of the plurality of electrical contacts being located axially between contact isolators, each of the plurality of contacts being in electrical communication with at least one of the conductors; wherein each of the plurality of electrical contacts comprises an extension that exits from within the connector and rests within a respective one of said plurality of channels. a housing; circuitry within the housing; a feedthrough electrically connected to the circuitry and providing a plurality of feedthrough conductors externally of the housing; an elongated body having a proximal end and a distal end; a plurality of conductors arranged in the elongated body, each conductor of the plurality of conductors having a proximal end and a distal end, the proximal ends of the conductors being electrically coupled to the feedthrough conductors in proximity to the proximal end of the elongated body; a connector attached to the distal end of the body, the connector comprising: a plurality of adjacent contact modules, each contact module having at least one lead passageway and a plurality of channels circumferentially spaced around the contact module; a plurality of contact isolators, with contact isolators of the plurality of contact isolators being disposed within each of the at least one lead passageways of the corresponding contact modules of the plurality of contact modules; and a plurality of electrical contacts positioned within the lead passageway of each contact module, with at least one electrical contact of the plurality of electrical contacts being located axially between contact isolators, each of the plurality of contacts being in electrical communication with at least one of the conductors; a plurality of adjacent contact modules, each contact module having at least one lead passageway and a plurality of channels circumferentially spaced around the contact module; a plurality of contact isolators, with contact isolators of the plurality of contact isolators being disposed within each of the at least one lead passageways of the corresponding contact modules of the plurality of contact modules; and a plurality of electrical contacts positioned within the lead passageway of each contact module, with at least one electrical contact of the plurality of electrical contacts being located axially between contact isolators, each of the plurality of contacts being in electrical communication with at least one of the conductors; wherein each of the plurality of electrical contacts comprises an extension that exits from within the connector and rests within a respective one of said plurality of channels.