I did the same procedure as you SR70... I think that inertia switch is for emergencies and if its not working properly (plugged in) the car will not run. I've heard of cases where the little push-down switch on top of the inertia switch gets stuck and people cant get their car to run unless the problem is fixed. Anyways, Jonnyblaze, make sure that whatever replacement fuel filter you get comes with the new plastic fasteners. I bought a motorcraft replacement (motorcraft # fg-862) and it came with the pins.