If the ((ABS)) Light is on then it's a good thing indicating that the Antilock brakes sensor is in good condition. I too have a 2002 mountaineer
On a 2002 Mercury Mountaineer : Put your low beam head lights on and pull the headlight selector switch towards you
check the brake light switch
On a 2002 Mercury Mountaineer : ( DOT 3 brake fluid meeting Ford specification ESA-M6C25-A ) According to the Owner Guide
back up close to a door or building... press brake pedal... look into mirror to see if lts are lit
Should be common to the brake light circuit
where is the tire jack and jack handle located on a 2002 mercury mountaineer?????
where is the speed sensor on 2002 mercury mountaineer
How to take the door panel off a 2002 mercury mountaineer?
how do i open the fuse panel on a 2002 mercury mountaineer
how do you change the transmission pump in a 2002 mountaineer
On a 2002 Mercury Mountaineer : The fuse panel is under the dash , on the drivers side
If you do a Google search online for 2002 Mercury Mountaineer ( Ford Explorer ) there should be reviews to read