I have a 07 expedition with the 5.4 engine. I bought a block heater from ford that I need to get placed in it. I’m having a heck of a time finding info as to which freeze plug it needs to go into. Do any of you possibly have info on that? Background, we have a 2 month old and I’m wanting to be able to warm it up a bit before my wife has to take the kids to school in the morning. She’s not the greatest at getting things like the car started in advance to warm up, so that’s why it’s getting a heater.