My 1996 jeep grand cherokee has started needing a jump to get started about once a week.. had the alternator and battery tested, both are good. 2 nights ago it wouldnt start, so I got a jump and drove it to the store. On the way home it died and when I got it jumped it wouldnt stay started unless I was keeping it revved up. As soon as I took my foot off the gas it would die. The motor smells like it is flooded, doesn't make any sense to me?

Have throttle body cleaned and "minimum air rate" adjusted. Computer looses learned memory when battery is disconnected and has to start over again.

Alternators have a built in regulator that tells them when to turn on and off. Just because the alternator is working, does not mean the regulator is turning it on and off when it should, in turn, over charging or undercharging your battery ruining it. The problem is you could also have a short somewhere that is draining the battery when it gets damp. The starter or a bad battery cable is usually the culprit here. A bad battery cable can mimic a dead battery, and when you jump it you put enough power to allow it to "jump" the bad spot, But also put a major strain on the cars electronics. So start with new cables, a 96 is 15 years old. Inspect the starter for any sign of corrosion or other damage at the same time. If this doesn't help, demand a replacement alternator. 98% of rebuilds are good, but 2% aren't.

sound like a bad battery wire or a bad ground shourting out mybe a bad starter relay ???

the alternator failed this is usually a chrylser and jeep dodge isue the bearing fails and the alternator quits charging the if the light comes on its usually alternator but on some jeeps the light dosent come on because it reads that it is charging

the other thing that it could be is the battery shot on ya the only thing you can do to see if its a good battery do a battery acid test

Is your leads of good quality?My advise is to charge your battery.

Before buying a new battery ...have your electrical system checked ...usually about 35 to fifty bucks or so ...worthy it ....instead of buying some thing you don't need ....like a battery ,alternator ...good luck
If you still are having problems let me know ...Joe

Look's like you done every thing that need's to check, just make sure your belt is adj' right, cause an alternator under a load will drag so make sure it's tie.Good luck and x-mas.

First clean the battery terminals & their connection to the battery. Check to see if the alternator belt is tight. Once started, connect an amp. meter to thebattery terminals. Black to black, red to red. If the reading is over 13.2, alternator is charging. If it is not, change the alternator. If it is over 13.2, you may need a new battery. Have a load test done at any reputable automotive store. Hope this helps & if it does please do the right thing & recommend this advice. Thanks

Have the alternator and the battery tested as one if not both items may have gone bad.

have the alternator regulator and diodes tested. sometimes when the regulators fail they allow ac voltage to go to the battery. ac voltage doesn't charge the battery properly (causes it to deep cycle and shortens its life) and causes all sorts of funny problems with the car. also make sure the battery is secured properly, vibration isn't good for them at all.