If your blower is working on some speeds but not all, more than likely the problem is a defective Blower Motor Resistor Pack. The switch rarely goes bad. Just a thought.
how do i change out a power steering switch on a 2001 mercury sable with a 3.0 engine?
change the blower motor the bearings have gone bad in it
mercury sable
location for fuse, and relay switch on a Mercury Sable
The most likely problem with the heater blower on your 2003 Sable is the blower resister. The resister can go bad and cause you to only have one speed.
The 1993 Mercury Sable backup light relay switch can be found beneath the drivers side dashboard. The backup light relay switch will be above the accelerator pedal.
On a 1996 Mercury Sable : The fuel pump shut off switch ( inertia switch ) is in the trunk , behind the trunk liner on the passenger side ( there is an access hole )
On a 1999 Mercury Sable wagon : The fuel pump shut off switch ( inertia switch ) is in the cargo area , behind the service panel on the passenger side
In a 1999 Mercury Sable the fuel pump shut off switch ( inertia switch ) is located behind the trunk liner , on the right side ( passenger side ) There is an access hole
On a 2003 Mercury Sable sedan : The fuel pump inertia switch ( shut off switch ) is in the trunk , on the passenger side of the trunk , behind the trunk liner ( there is an access hole )
under dash on drivers side
I have the same problem on my 95 Sable LTS