Try the links in the "Related Question" below regarding belt diagrams for Taurus/Sables.
Don't know for absolute sure that company resources go back to 1992, but pretty sure they've got what you need.
routing for serpentine belt 2003 mercury sable
There is NO TIMING BELT on a 1995 Mercury Sable * Both the 3.0 and the 3.8 liter V6 engines in a 1995 Mercury Sable have a timing CHAIN
I don't have an answere, but a picture diagram would help alot try going to "How stuff works"!
belt diagram 1992 dodge Dakota with 318
A 1993 Mercury belt diagram can be obtained from most Ford dealerships. The belt diagram can also be found at most auto-parts stores.
In a 1989 Mercury Sable : Both the 3.0 and the 3.8 litre V6 engines have a timing CHAIN
The 1997 Mercury Sable does not have a timing belt, it has a timing chain that normally requires no replacement and should last the life of the engine.
simply wear your seatbelt.
diagram for serpintine belt 92 dynastry
In the belt book at most autoparts stores have a diagram section for serpentine belt routing.
To remove the serpentine belt from a 2000 Mercury Sable, first, locate the belt tensioner and use a wrench or socket to rotate it counterclockwise, which will relieve tension on the belt. Carefully slide the belt off the pulleys, starting with the easiest one to access. Make a note of the belt routing or take a picture for reference when installing the new belt. Once the belt is removed, you can replace it as needed.
Right side lower belt driven accessoriy