The following are diagrams courtesy of Tmoss & Stang&2birds
Location of the TPS, IAB, and the 10-pin connectors on a 5.0, picture by TMoss:
See the following website for some help from Tmoss (diagram designer) & Stang&2Birds (website host) for help on 88-95 wiring; http://www.veryuseful.com/mustang/tech/engine/ Everyone should bookmark this site.