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..