A cable splitter subassembly comprising: a housing having a first end and a second end and a body with an interior surface defining a bounded interior chamber; a carriage configured to translate within the bounded interior chamber, the carriage having a carriage body with a plurality of cavities (194A-194C), each cavity of the plurality of cavities (194A-194C) arranged to seat a cable terminal end and having an opening at a first end of the carriage body or at a second end of the carriage body opposite the first end; a first cable extending through the second end of the housing and the first end of the carriage body, wherein the first cable is connected to a first cable terminal end configured to be seated in a respective one of the pluralities of cavities (194A-194C) having an opening in the second end of the carriage body; a second cable extending through the first end of the housing and the second end of the carriage body, wherein the second cable is connected to a second cable terminal end configured to be seated in a respective one of the plurality of cavities (194A-194C) having an opening in the first end of the carriage body; and a third cable extending through the first end of the housing and the second end of the carriage body, wherein the third cable is connected to a third cable terminal end configured to be seated in a respective one of the plurality of cavities (194A-194C) having an opening in the first end of the carriage body, characterized by a plurality of resilient arms (186A-186C) extending from the carriage body, each resilient arm of the plurality of resilient arms (186A-186C) including a contact surface (192A-192C) configured to contact a portion of the interior chamber during translation of the carriage within the housing; and the first cable terminal end, the second cable terminal end and the third cable terminal end each including a vibration-reducing component. a housing having a first end and a second end and a body with an interior surface defining a bounded interior chamber; a carriage configured to translate within the bounded interior chamber, the carriage having a carriage body with a plurality of cavities (194A-194C), each cavity of the plurality of cavities (194A-194C) arranged to seat a cable terminal end and having an opening at a first end of the carriage body or at a second end of the carriage body opposite the first end; a first cable extending through the second end of the housing and the first end of the carriage body, wherein the first cable is connected to a first cable terminal end configured to be seated in a respective one of the pluralities of cavities (194A-194C) having an opening in the second end of the carriage body; a second cable extending through the first end of the housing and the second end of the carriage body, wherein the second cable is connected to a second cable terminal end configured to be seated in a respective one of the plurality of cavities (194A-194C) having an opening in the first end of the carriage body; and a third cable extending through the first end of the housing and the second end of the carriage body, wherein the third cable is connected to a third cable terminal end configured to be seated in a respective one of the plurality of cavities (194A-194C) having an opening in the first end of the carriage body, characterized by a plurality of resilient arms (186A-186C) extending from the carriage body, each resilient arm of the plurality of resilient arms (186A-186C) including a contact surface (192A-192C) configured to contact a portion of the interior chamber during translation of the carriage within the housing; and the first cable terminal end, the second cable terminal end and the third cable terminal end each including a vibration-reducing component.