Originally Posted by jmacmaster
As Swoop said, the switch is covered in your owner's manual. Your manual is your friend. Keep it in your truck. It will answer a lot of questions and often save you time and money and fussing around.
Not all of us are so lucky though! I never got a manual with my truck (used truck). Trying to find one for a 2001 with a 2.5L is next to impossible too. I guess Ford stopped printing manuals with 2.5L information when they came out with the 2.3L.