When Starting just clicks - Checked battery connection all good, could be alternator ?

try jump starting it or checking battery connections

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Had same problem with a Dodge Ram, checked all my grounds they were good still clean and retightened them to be sure put that was a waste of time, it wasn\'t the problem, I had intermittent starting problems and sometimes it would die, it would act like a dead battery, if it had problems starting it would spit and spatter as if it was off on the timing, it ended up being my PCM

The first thing would be to make sure battery is good, have it tested ,then check battery connections.
make sure connections are tight and clean. if all is good and you are still getting the click then replace the starter.

First get the car running.. then with the car running disconnect your battery... if your car dies then your alternator is bad if it stays running then alternator is good.. and you probably have another bad battery... make sure your battery connections are tight. and have the battery checked if all this is good then you need to further inspect your battery lines...

Check the connections at the battery and make sure they are clean and tight, if it still doesn't start, have the battery charged. After you get it going, it would be a good idea to have the battery and alternator checked, to see if the alternator is charging and the battery doesn't have a weak or dead cell in it.

How old is your battery? 1st thing to check is connections at battery and starter. Make sure there is no corrosion, clean connections with fine sandpaper, make sure connections are tight. If dirty or loose connections exist, you won't be able to start or jump your car. If connections check out ok, pull the battery out and bring it to a parts store for a free check of it's condition. If it's bad, again, you may not be able to even jump start it. If battery charge is good, and condition ok, check your starter. You can also get a free check if you remove it and bring it to a parts store for testing.

First, do not assume anything. Check the battery with a volt meter and make sure there is 12.v or better there. Clean cable terminals where they contact the battery, check both ends of cables for good clean solid connection. Since you hear a click, that is good ...ignition switch etc is likely good. Check the voltage at the starter : large cable should have 12v, small wire should have 12v when key is turned to "start" position. If you have both, starter has failed. Some Jeeps have an additional starter relay inside the power distribution center near the battery. if you have voltage at the starter, the relay is good. If when you test battery, voltage is low, have it charged and load tested. If battery fails test, no other tests are valid.
Once started, check for running voltage of at least 12.9v with all accessories and lights on. At no time should voltage drop below 12.5, or should it continue to creep down. If it does, the alternator may be faulty.(providing belt is good and tight)

• double check connection to battery if good connection could be a bad cell in battery or bad alternator you can check when jumped take negative side off if still runs alternator good if dies alternator is bad this may help!!

Check for blown fusible links near the alternator. Also how was the alternator checked? You should know that it MUST be checked under a load. Stores like Pep Boy's, Auto Zone, and Advance Auto Parts, will check it for free but you have to bring the alternator to them. Confirm all the grounds in both the charging and starting systems. THEY MUST be tight, clean, and corrosion free. If you have doubts about the condition of the battery cables or any other wires or cables in the system change them.

What initiated the need for jump starting? Is the alternator charging? Has the battery been checked?

To check the alternator, once the engine has been jumped and is running, remove one of the battery post connections. If the engine dies, the alternator is not charging the battery, and the symptoms you describe are the on-board computer going through low voltage spasms until sufficient electrical power to operate the engine / tranny is drained and the car dies.

If the car continues to run with no battery attached, the alternator is charging - - - and I would recommend removing the battery and having it checked and (if good) recharged to full capacity. I would also recommend having it charged even if the alternator is the problem just to delay the onset of the low voltage problems. The car should operate normally for a few miles before the battery drains too low after a full recharge, enabling you to get it to a shop for alternator service / replacement.

If you attempt replacing the alternator yourself, make sure the battery is disconnected prior to starting the job. Saves blowing up good stuff by accidental short.

Hope this helps and good luck!

-WB.