A number of reasons, check the cables make sure there tight, clean the post of any corrosion, greenish blue residue, most auto parts store will do this for you and test the batterie for you it may have bad cell and you will have to replace.
On a 1998 Mercury Sable : The fuse box is under the drivers side of the dash , to the left of the brake pedal ( it has a cover on it ) Also , the Power Distribution Box ( which is " live " ) is located in the front of the engine compartment , near the battery
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
According to the 1998 Mercury Sable Owner Guide : ( 16.0 U.S. gallons )
1999 mercury sable horn replacement
front of the motor
The transmission ( or in the case of your front wheel drive 1998 Mercury Sable , the " transaxle " ) is located in the engine compartment , on the drivers side , bolted to the engine
R134a
All 1998 Mercury Sable vehicles have a ( 16.0 U.S. gallon fuel tank ) * according to the owners manual *
33psi both tire
The horn relay for a 1998 Sable is on the back of the distribution block. The block is under the dash on the drivers side.
A 1998 Mercury Sable ( all vehicles ) have a ( 16.0 U.S. gallon fuel tank ) according to the owner manual
According to the 1998 Mercury Sable Owner Guide : ( Motorcraft MERCON automatic transmission fluid is used as the power steering fluid )