You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library. A free online source of repair information, including diagrams is Autozone.com and their extensive Repair Guide.
There are other online sources of repair information, Mitchells, Alldata.com (or something like that)
See "Related Questions" below for more about Taurus/Sable starters
Where is the starter located on a 1997 mercury sable ,and if any display a photo of the part.
The 2000 Mercury Sable starter can be found on the right hand side of the engine. The starter will be near the back of the engine.
where is the solenoid on a 2004 mercury sable
The 2000 Mercury Sable starter will have three retaining bolts. There will be two cable retaining nuts on the front of the starter.
1999 mercury sable horn replacement
You can find a power steering diagram for a 1999 Mercury Sable in the owner's manual. You can also find it at certain auto part stores.
It was the starter
There are several reasons why a Mercury Sable may not start. Some of the reasons are no gas, a bad battery, or a bad starter.
You can find the wiring diagram for a relay position for a 1997 Mercury Sable in the owner's manual. You can also check local auto stores.
the owners manual
In the Haynes workshop manual.
Fuse box-most likely under hood. Owners manual will state which one it is in the box. There is not a diagram since they don't come apart-you just plug in a replacement.