Pattyjohn

Hi members, need some help! Picked up some 02 ls 430 electric front seats that I want to put into a older rig. Bench tested the passenger seat and everything works fine. The driver seat however doesn’t, connected power and ground to main plug in, have power to the seat motors but they do not function with the controls. Only difference I see between the seats is that the drivers side motors has a second plug in to them. Are these extra wire for memory settings? Or what. How do I bypass them or do I need to add a secondary power source. Please give me a shout out if you know. Greatly appreciated it.
thanks, Patrick