A medical system lead adapter, comprising: an input cable (206, 208) having a plurality of electrical conductors (316a-316c, 314a-314f) that establish an electrical connection with a plurality of contacts of a medical device; a first output connector that receives a proximal end of a first medical lead, the output connector having a plurality of electrical contacts (302a-302f) that establish a connection with respective ones of a plurality of contacts (308a-308f) of the first medical lead, the plurality of electrical contacts (302a-302f) of the first output connector being electrically connected to respective ones of a first set of the plurality of electrical conductors (316a-316c); a second output connector that receives a proximal end of a second medical lead, the output connector having a plurality of electrical contacts (306a-306h) that establish a connection with respective ones of a plurality of contacts (312a-312h) of the second medical lead; a pin connector (322, 322', 322") having a plurality of electrical contacts (304a, 304b, 310a-310e, 318a-318f) where at least some of the plurality of electrical contacts (318a-318f) of the pin connector (322, 322', 322") are electrically connected to respective ones of the plurality of contacts (306a-306h) of the second output connector, a first set of the plurality of electrical contacts of the pin connector (322, 322', 322") being electrically connected to respective ones of a second set of the plurality of electrical conductors (316a-316c); and a pin (226, 226', 226") present within the pin connector (322, 322', 322"), the pin (226, 226', 226") including a first pin conductor that electrically bridges together a first at least one electrical contact (310a-310e) of the pin connector (322, 322', 322") not in the first set to a first electrical contact from the first set of the plurality of electrical contacts (304a, 304b) of the pin connector (322, 322', 322"), the pin (226, 226', 226") further including a second pin conductor that electrically bridges together a second at least one electrical contact (310a-310e) of the pin connector not in the first set to a second electrical contact from the first set of the plurality of electrical contacts (304a, 304b) of the pin connector (322, 322', 322"). an input cable (206, 208) having a plurality of electrical conductors (316a-316c, 314a-314f) that establish an electrical connection with a plurality of contacts of a medical device; a first output connector that receives a proximal end of a first medical lead, the output connector having a plurality of electrical contacts (302a-302f) that establish a connection with respective ones of a plurality of contacts (308a-308f) of the first medical lead, the plurality of electrical contacts (302a-302f) of the first output connector being electrically connected to respective ones of a first set of the plurality of electrical conductors (316a-316c); a second output connector that receives a proximal end of a second medical lead, the output connector having a plurality of electrical contacts (306a-306h) that establish a connection with respective ones of a plurality of contacts (312a-312h) of the second medical lead; a pin connector (322, 322', 322") having a plurality of electrical contacts (304a, 304b, 310a-310e, 318a-318f) where at least some of the plurality of electrical contacts (318a-318f) of the pin connector (322, 322', 322") are electrically connected to respective ones of the plurality of contacts (306a-306h) of the second output connector, a first set of the plurality of electrical contacts of the pin connector (322, 322', 322") being electrically connected to respective ones of a second set of the plurality of electrical conductors (316a-316c); and a pin (226, 226', 226") present within the pin connector (322, 322', 322"), the pin (226, 226', 226") including a first pin conductor that electrically bridges together a first at least one electrical contact (310a-310e) of the pin connector (322, 322', 322") not in the first set to a first electrical contact from the first set of the plurality of electrical contacts (304a, 304b) of the pin connector (322, 322', 322"), the pin (226, 226', 226") further including a second pin conductor that electrically bridges together a second at least one electrical contact (310a-310e) of the pin connector not in the first set to a second electrical contact from the first set of the plurality of electrical contacts (304a, 304b) of the pin connector (322, 322', 322").