PCM
The engine computer, PCM, is the voltage regulator.
Map sensor voltage low.
your local parts store or a junkyard
Yes
The regulator is in the engine computer not the alternator.
Yes it will.
The engine computer is the voltage regulator on a 2001 Jeep.
Where is the windshield wiper relay located on a 1996 grand jeep Cherokee
yes it should
No.
No. They are not interchangeable.