Since graphics / illustrations aren't possible here, I would suggest Autozone.com and their free online Repair Guide - totally illustrated & detailed.
Also see "Related Questions" below for instructions on replacing the front struts.
Yes , a 1994 Mercury Sable is a front wheel drive vehicle
On a 2002 Mercury Sable the radiator is at the front of the engine compartment
On a 2004 Mercury Sable : The battery is in the drivers side of the engine compartment at the front
front of the motor
Mercury Sables are front-wheel drive.
On a 2001 Mercury Sable : The battery is located in the front of the engine compartment , on the drivers side
In a 1998 Mercury Sable : The transaxle is the transmission on your front wheel drive Mercury Sable it is located in the engine compartment , on the drivers side , bolted to the engine
The headlight assembly can be changed, but not just the actual clear lens on the front. See "Related Questions" below for how to remove the headlight assembly, and also how to clean them
On a Mercury Sable : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a Mercury Sable V6 engine : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a 2001 Mercury Sable : No , just front wheel drive according to my Consumer Guide book
On a Mercury Sable , V6 : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver