Okay, I've read just about ALL of the posts on this issue, and here's what I've got/ replaced/ done this far.....
Was running funky, code was P1367 (something close to that, but it threw the crank or cam sensor code) so I replaced them. (OEM) Didn't change anything, still ran crappy, but I delt with it, (2,500 mi on a FRESH motor)
Then, it stopped charging....(freshly charged batteries, carried 3 at all times)
Assumed it was a regulator, bought an alternator, then found the decal which told me it was in the PCM......
Returned the Alternator.
Had my old one checked on an actual tester, AND while IN the TJ...same result.
Under 100A+ load, 14.2 (blower, brights, radio, wipers, RWDefrost)
At idle/no load, 14.5
Tested ON and OFF the jeep. But if the gauge didn't read it was charging....it wasn't.
Then I buy A PCM, now, it runs "better" but periodically idles like hell, but still doesn't charge.
A this point,
FORTUNATELY I loose my temper and HIT, yes, HIT the old alternator with a hammer....IT CHARGES!! WTF?!?
Okay, not always, but when it's NOT charging, I pull over, raise the hood, give the alternator or a/c bracket a good beat down, and she starts to charge again.....but it's only temporary...
I'm with the guy who said, I'm bout to go buy a pistol and shoot myself!?! I refuse to have someone else tell me it's something I didn't check. NEW cables, GROUNDS, checked all of the breakers and connections, all new star washers at the grounds, hosed down with the protective spray, every plug is now clean and has new dielectric grease, pulled the a/c bracket and even cleaned the place where it bolts to the motor JUST in case the alt grounds to the bracket or the motor..... I've also added "new" temporary grounds just to be sure I didn't miss one....l. Omg PLEASE HELP?!?