Instructions for repairing and installing door lock actuators are available at DoItYourself.com, FordF150.net and Taligentx.com, as of 2016. Additional sources for instructions include Gruvenparts.com and Ifixit.com.
DoItYourself.com is a home improvement website that hosts user-submitted instructions and forums for a variety of projects. The website's repair and installation instructions describe what an actuator is and how it works. The article also gives systematic instructions for installing a replacement actuator.
FordF150.net is an information and resource website for Ford F-150 owners and enthusiasts that provides instructional articles, specifications, forums and downloads. The website features an article that describes how to fix failing power door locks.