A method for installing a connector assembly in a medical device including a plurality of conducting pins for connecting said medical device to a connector stack including a plurality of contact blocks, said method comprising: providing a first lead frame comprising a first plurality of conductive leads, wherein the first plurality of conductive leads includes all conductive leads of the first lead frame and wherein each of the conductive leads has a first end and a second end; fixedly connecting said first end of each one of said first plurality of leads to corresponding ones of said plurality of conducting pins; fixedly connecting said second end of each one of said first plurality of leads to corresponding ones of said contact blocks; wherein said first lead frame has at least one temporary connecting structure (1100, 1160) connecting said first plurality of conductive leads together and that is removed from the first plurality of conductive leads as said first lead frame is installed in said medical device; characterized by: fixedly connecting said first end of each one of said first plurality of leads to corresponding ones of said plurality of conducting pins such that only alternate ones of said plurality of conducting pins are connected to corresponding first ends of said conductive leads of the first plurality of conductive leads and such that all conductive leads of the first plurality of conductive leads are connected to conducting pins; providing a second lead frame including a second plurality of conductive leads each having a first end and a second end; fixedly connecting said first end of each one of said leads of said second lead frame to corresponding ones of said conducting pins that are not connected to any of said first plurality of leads; and fixedly connecting said second end of each one of said second plurality of leads to corresponding ones of said contact blocks different than the contact blocks connected to any of said first plurality of leads, wherein the first plurality of conductive leads and the second plurality of conductive leads are interleaved together. providing a first lead frame comprising a first plurality of conductive leads, wherein the first plurality of conductive leads includes all conductive leads of the first lead frame and fixedly connecting said first end of each one of said first plurality of leads to corresponding ones of said plurality of conducting pins; fixedly connecting said second end of each one of said first plurality of leads to corresponding ones of said contact blocks; wherein said first lead frame has at least one temporary connecting structure (1100, 1160) connecting said first plurality of conductive leads together and that is removed from the first plurality of conductive leads as said first lead frame is installed in said medical device; fixedly connecting said first end of each one of said first plurality of leads to corresponding ones of said plurality of conducting pins such that only alternate ones of said plurality of conducting pins are connected to corresponding first ends of said conductive leads of the first plurality of conductive leads and such that all conductive leads of the first plurality of conductive leads are connected to conducting pins; providing a second lead frame including a second plurality of conductive leads each having a first end and a second end; fixedly connecting said first end of each one of said leads of said second lead frame to corresponding ones of said conducting pins that are not connected to any of said first plurality of leads; and fixedly connecting said second end of each one of said second plurality of leads to corresponding ones of said contact blocks different than the contact blocks connected to any of said first plurality of leads, the first plurality of conductive leads and the second plurality of conductive leads are interleaved together.