LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1990 >> Probe GL, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Fuel Pressure Check >> Inertia Switch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.
    CAUTION: DO NOT reset inertia switch until fuel system has been inspected for leaks.
  2. It is not possible to restart engine until inertia switch is manually reset. To reset inertia switch, depress button on switch.

    On Crown Victoria and Grand Marquis station wagon models, switch is located in left rear side storage compartment.

    On RWD vehicles (except wagons), inertia switch is located in trunk, on left hinge support or behind trim panel.

    On Sable and Taurus, inertia switch is located on left side of trunk (except station wagon).

    On Taurus and Sable station wagon models, switch is located behind access door in right rear cargo area.

    On all other vehicles, inertia switch is located in trunk, on left hinge support or behind trim panel.