This is because of rabbits communicating.
most likely the wheel bearings.
The ECU on your Cherokee should be located on the inner fender under your hood on the driver side.
brake pads shot
I have a 1999 Ford Explorer and I was told about a grinding noise before I bought it. He told me that it was because it needs a new wheel baring. * If the vehicle is standing in place and the wheel is turned and there is a noise it could mean you need to add power steering fluid to the unit.
Yes, theory make a slight click sound.
New lifters or repairing the cause of low oil pressure.
assorted loose things
check the drive axles they could be bad
I'm not a mechanic but I had a problem with my 1999 Jeep Grand Cherokee lift gate not closing properly, seemed to move to the sound causing a noise. I replaced the lift shocks and the problem disapeared
It could be differential bearings.
its near the driver fender towards the front of the hood has 3 circuits running into it.