Think you mean Power Steering. Leak will usually be in a hose, coupling or pump. Replace the item that is leaking.
The PCM (engine computer) provides the power.
Yes you can.
Yes
Yes it will.
Where is the windshield wiper relay located on a 1996 grand jeep Cherokee
yes it should
No.
No. They are not interchangeable.
The thermostat on a 1996 Jeep Cherokee is under the housing where the upper radiator hose attaches to the engine.
No. Different shape.
The correct factory tire size for a 1996 Jeep Cherokee is 215/75-15.
Not one penny. The 1996 Jeep Cherokee does not have a timing belt. It has a timing chain.