Inertia Switch
In event of collision, electrical contacts in inertia switch will open. This will automatically shut off fuel pump. Fuel pump will shut off even if engine does not stop running. Engine will stop shortly due to lack of fuel. It will not be possible to restart engine until inertia switch is manually reset. To reset inertia switch, depress button on top of switch.
On rear wheel drive vehicles, the inertia switch is located in trunk, on left hinge support or behind trim panel. On Crown Victoria and Grand Marquis station wagon models, switch is located in left rear side storage compartment. It is located near left taillight on 3-door Mustang. On front wheel drive vehicles, switch is located behind trim panel in left side of trunk. On Taurus and Sable station wagon models, switch is located behind access door in right rear cargo area.