Where is the fuel pump inertia switch in 02 mercury mountaineer?

The fuel pump inertia switch on a 2002 Mercury Mountaineer is located inside the passenger compartment, typically under the dash on the passenger side. It's often near the passenger's feet or slightly higher up, but its exact position can vary slightly depending on trim level. You might need a flashlight to find it. It's usually a small, square or rectangular box with a button that can be pushed to reset it.