Could be a partly frozen caliber.
right above the brake pedal on the left
Look to the far left drivers side pedal area and there is a small pedal which is the parking brake which releases when you put the shifter in drive or reverse.
it would be brake line ,if it pulls to right it would be the left one,if it pullss the left it is right one.sames to the caliber.
It is on the left rear of the engine.
1998 Lincoln Mark VIII brake light bulb replacement: Purchase the correct replacement brake light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement brake light bulb information. Then consult your owner's manual for the replacement procedure. As simple as it sounds, the owner's manual is the best place to start for brake light bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
The 3rd pedal on the left side next to the kick panel
There could be a problem with the right brake causing the left to brake harder and pulling to the left. Worn front end parts like a tie rod end can also cause this. Have the vehicle checked out it is not safe to drive.
Check brakes for seized caliper causing the pulling & this may have warped a rotor causing the jerking. Rule of thumb is if it pulls left on braking then the right brake is sticking
the fuel inertia switch is located in the left kick panel which is located to the extreme left of the brake pedal
Number 7 fuse on the right brake light in the trunk fuse box number 5 for the left side brake light also in the trunk.
Usually located on the left outside rear view mirror
Facing the engine, low left side of the engine .