Question about 2011 Jeep Wrangler

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Jeep batterie wont hold a charge

New alternator

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MrScary66613
  • 1990 Answers

SOURCE: I HAVE A 94 JEEP

Check the Belt Tensioner. If the Tensioner is not Keeping the Belt Tight it will Drain the Battery Pretty Fast.Please Rate my Response, I need all the Help That I can Get! Thanks!

Posted on Jan 27, 2009

tbirdfan1
  • 3051 Answers

SOURCE: new battery and alternator, but still won't charge

Hi there
You may want to remove and clean all of the cables that are involved with this and make sure that there is no shorts is the wiring and also check the belt and make sure that it is tight and see if there is a master fuse for the charging system under the hood also check to see if the solinoid is working properly you can also take it to a autozone and they can do a free diagnostics of the system

Posted on Mar 08, 2009

  • 9 Answers

SOURCE: new battery wont stay charge. one fuse is keeping

sounds like sulfate damage to battery , check alternator out put and check all grounds

Posted on Jul 16, 2009

  • 6982 Answers

SOURCE: New alternator wont hold a charge is there a

If you have a fuse it will be in the power distribution center near the battery main fuses and relays are inside.
Check the charging system with a volt meter right at the battery. Battery standing charge should be no lower than 12v if charging you should read between 13 and 14 volts running, about 13 with all electricals turned on. If not, the alternator isn't working OR the regulator has failed. (some regulators are part of the main computer but you need to check which system you have. AND do check for fuses.
If charging system is working you may have a system draw that is pulling the system down overnight. Check that with an ammeter between either cable (removed from battery) and battery connection...pull fuses one by one till draw disappears then check components in that system. Don't be concerned with "low Draw" items such as radio that always pulls something to keep memory and clock working.

Posted on Jan 23, 2010

  • 1 Answer

SOURCE: 94 Jeep Grand Cherokee will not start

just had this happen on same type of car
drove me crazy for DAYS.. FOUND IT WAS JUST AN ALTERNATOR FUSE.!!! UNDER BLACK BOX BEHIND THE BATTERY
FIVE BUCKS AT ANY AUTO STORE...
THIS WAS AFTER SPENDING 120 ON A NEW BATTERY....
THATS ALL IT IS

Posted on Jul 24, 2012

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IF YOU CHECK FUSE.BATTERY CABLES COULD BE FAULTY IF VERY OLD.THEY CAUSE HIGH RESISTANCE IN CHARGING CIRCUIT.CHECK FOR LOOSE DRIVE BELT.AND CHECK ALTERNATOR WIRING IF BROKEN OR DAMAGE YOU WONT GET CHARGED.AND MOST OF ALL MAKE SURE YOU BOUGHT THE RIGHT AMP ALTERNATOR.

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Battery wont hold a charge. it takes a charge, i drove it around the block, kept it running in park and when i turned it off it wouldn't turn back on.


First, it can damage your alternator to try to charge a dead battery by just driving or running the car. The alternator is designed to maintain the state of charge already in a battery.
Old (pre mid 60's cars with generators could do that).
Have your battery charged and tested. if it checks out, then have the charging system in the car tested. On most newer Jeeps, the regulator is not in the alternator it is part of the computer. If the alternator checks as good but it is not charging, that may be why.
Hopefully you just need a new battery.

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Sounds like the inline fuse popped. It is located in the wire that comes from the alternator to the battery. The alternator is sending out the juice, but it can't make it to the battery. I sincerely hope that this gets you on the road again. Best wishes and God Bless.
Bryon

Jan 27, 2009 | 1994 Jeep Grand Cherokee

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