Just a quick video showcasing how to correctly wire pigtail harness for your ICP sensor on your 7.3 Powerstroke. This is on a 2001 Ford F250, so I am guessing that this is valid for the 19992003 model years, but I could be mistaken.

When changing out your ICP, it is frequently suggested that you change the pigtail harness as well. Unfortunately, nearly all the kinds you can buy have different color wires, with none of them matching the wires in your truck. Makes it very easy to get confused, this should help you with that.

Here's something that might help you remember: Bottom = Blue, Right = White, All that's Left = Left