Yes , on the left side of the trunk , behind the trunk liner
On a 1998 Ford Mustang : If you mean the fuel pump shut off switch ( inertia switch ) It is in the trunk , behind the trunk liner on the drivers side ( There is an access hole and it is near the left side tail light )
On a 1993 Ford Mustang : Open the trunk lid or the hatch Between the rear tail lights you will see an oval shaped rubber plug The inertia switch is behind the rubber plug
On a 2000 Ford Mustang : The fuel pump inertia switch is in the trunk , behind the trunk liner on the drivers side , near the driver side rear taillight ( there is an access hole through the trunk liner )
I believe the fuel pump inertia switch is in the trunk , behind the trunk liner on the drivers side , near the driver side rear tail light ( there is an acess hole in the trunk liner ) on a 1995 Ford Mustang
According to the 1998 Ford Explorer Owner Guide : The fuel pump inertia switch ( shut off switch ) is in the front passenger footwell , behind the kick panel
On a 1996 Ford Mustang : I believe the fuel pump inertia switch is behind the trunk liner , on the drivers side , near the drivers side rear tailight ( there is an access hole )
On a 2007 Ford Mustang : The fuel pump shut off switch ( inertia switch ) is in the drivers footwell , just in front of and below the INSIDE HOOD RELEASE ( there is an access hole through the panel )
you push the red reset button on the inertia switch
It doesn't have one, that is a Ford thing.
On the left side of the trunk , behind the trunk liner ( I assume there is an access hole )
On a 1989 Ford Mustang : The fuel pump shut off switch ( inertia switch ) is in the trunk / cargo area It is between the tail lights and is covered by an oval shaped rubber " plug "
On a 1998 Ford Taurus : The fuel pump shut off switch ( inertia switch ) is located in the trunk , on the passenger side , behind the trunk liner ( there is an access hole )