Inertia Fuel Shutoff (Ifs) Switch
WARNING:
Do not reset IFS switch until fuel system has been inspected for leaks and repaired if necessary.
- 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.
- To test IFS switch, turn ignition off. Remove IFS switch. Shake IFS switch to force it into tripped position (switch open). Check continuity between appropriate IFS switch terminals. See WIRING DIAGRAMS article. Continuity should not exist. Reset switch and ensure continuity exists between appropriate terminals.
INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION
| Application | Location | |
|---|---|---|
| Aspire | Left Side Of Passenger Compartment | |
| Continental | Left Fender Apron Near Suspension Switch | |
| Contour & Mystique | Behind Left Kick Panel | |
| Cougar & Thunderbird | Left Side Of Trunk Behind Trim Panel | |
| Escort & Tracer | Right Side Of Trunk Above Wheel Well | |
| Mustang | Lower Left Rear Of Trunk | |
| Probe | Left Side Of Cargo Area | |
| Sable & Taurus | ||
| Sedan | Right Side Of Trunk Behind Wheel Well | |
| Wagon | Behind Access Door In Right Rear Cargo Area | |
| All Others | In Trunk On Left Hinge Support Or Behind Trim Panel | |