I noticed that Ford seems to have totally dumped the industry-standard Bosch injector connector in favor of something that looks proprietary.
I guess the Bosch connector wasn't good enough??
Anyway, here's a link to the Motocraft wiring harness pigtail catalog:
http://www.crownvicland.com/tech/wiringpigtails/Some of these will probably help if you have a connector that won't fit a sensor..