If the window regulator cable has failed, the entire regulator will have to be replaced.
You will have to replace the complete window regulator assembly.
I have a 2003 Jeep Liberty, jack is under the rear seat on passenger side.
behind the passenger side headlight
check your window lock switch on the drivers door control panel. That is the case with my 1990 works when it wants to.
It is on the passenger side rear of the transmission case.
The front passenger window will not go down on a 93 Jeep Grand Cherokee if the motor or switch has failed. This is common when water gets inside the motor.
Below the passenger side head light assembly.
There is a long black item on the passenger side of the engine. That is the coil. They are under it.
parts dept at any jeep, chrysler, or dodge dealer, they give you a print out
It is under the front of the passenger side cylinder head.It is under the front of the passenger side cylinder head.
If it's on a 99-04 Grand Cherokee you can't. You would need to buy a new window regulator.
Most likely the cables in the regulator have tied into a knot in t6he gear housing. You will have to replace the regulator assy.