These are brand new 12 volt linear servos. They are a direct bolt on replacement for the old outdated seat actuators. WE ALSO CARRY COLOR CODED WIRE HARNESES AND SWITCH-BEZEL ASSEMBLIES. If you would like to view all our Thunderbird, Lincoln products click on ( SEE OTHER ITEMS ) in the right hand of our add. If I can be of any further help please contact me. Thanks again Jim.