so i typed ABS into the search and it said there were no matches. I know i have ABS on my 1999 cherokee 4x4 but is it front or rear? my ABS light came on today and went off when i started the jeep again. then later it did it again. Any ideas?

 

Front and rear. You have tone rings on the axles. They look like a sprocket. If you get a bunch of gunk in them it will sometimes pop up the light or if a sensor wire is bad.

 

how do i clean that or replace it?

 

to clean the tone ring pull the axle ends out and spray it down , that very rarely throws the light, its usually rust under the sensor itself, a bad sensor or sometimes wheel bearings, the sensor will be mounted to the knuckle assembley

 

not to highjack but i was have ABs on my 95 and am curios to know what will happen if i put an axle in the rear that does not have ABS?!

 

i'm not sure if you can put an non abs axle into an abs housing.

 

If you swap the rear all it will do is disable the ABS and make the dash light come on. If you swap the front that is where problems start like brake pulsing. I went to 1 tons and just disabled the ABS on mine.