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 "
hi there l have a 1989 mustang and mine is in the truck on the driver side behind the trunck liner so look there
Yes , if the button on top of the fuel pump inertia switch ( shut off switch ) has popped UP , then no power is going to the electric fuel pump
where is the fuel shut of valve on a 90 mustang,an what will cause it to shut of sometimes, The fuel shut off switch is located on the panel at the foot of the driver, a little further in than the Pop the Hood lever. it is in an indent in the plastic wall. cant miss it
In the trunk on the left side, behind the panel
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 )
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 )
The fuel pump shut off switch is located on the left side of the trunk behind the trunk liner ( according to the owners manual )
On a 1999 Ford Mustang : The fuel pump shut off switch ( inertia switch ) is located in the trunk , behind the trunk liner on the drivers side , near the drivers side taillight ( there is an access hole )
Behind Tailight trim panel in the trunk look for hole in trim panel.
On a 2002 Ford Mustang : The fuel pump shut off switch ( inertia switch ) is behind the trunk liner , on the drivers side of the trunk , near the drivers siderear taillight . There is an access hole and the switch is just to the left of the hole .
On a 2002 Ford Mustang : The fuel pump shut off switch ( inertia switch ) is in the trunk It is on the drivers side of the trunk , behind the trunk liner , near the tail light ( there is an access hole and the switch is to the left of the access hole )
it should be under the drivers side dash