Inertia Fuel Shutoff (Ifs) Switch
- If IFS switch is tripped, engine cannot be restarted until switch is manually reset. To reset IFS switch, depress switch button. For IFS switch location, see INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION table below.INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION
Application Location Mustang Lower Left Rear Of Trunk Probe Right Side Of Trunk Sable & Taurus Sedan Left Side Of Trunk Wagon Behind Access Door In Right Rear Cargo Area Thunderbird, Continental, Cougar In Trunk On Left Hinge Support Or Behind Trim Panel - To test inertia switch, turn ignition off. Remove inertia switch. Shake inertia switch to force switch into tripped position (switch open).Measure resistance between appropriate inertia switch terminals. See WIRING DIAGRAMS . Continuity should be not present between terminals with switch tripped and present when reset.