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Home >> Ford >> 1991 >> Probe GL, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Fuel System >> Inertia Switch
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Inertia Switch

  1. In event of a collision, electrical contacts in inertia switch open and fuel pump automatically shuts off. Fuel pump will shut off even if engine does not stop running. Engine will stop due to lack of fuel.
  2. Engine cannot be restarted until inertia switch is manually reset. To reset inertia switch, depress button on switch. Inertia switches may be found in the following locations:
    • On Crown Victoria and Grand Marquis station wagon models, in the left rear side storage compartment.
    • On RWD vehicles (except wagons), in trunk, on the left hinge support or behind trim panel.
    • On Sable and Taurus, on left side of trunk (except station wagon).
    • On Taurus and Sable station wagon models, behind access door in right rear cargo area.
    • On all other vehicles, in trunk on left hinge support or behind trim panel.
CAUTION: DO NOT reset inertia switch until fuel system has been inspected for leaks.