battery wont hold charge any suggestions - JeepForum.com

Reply
 
LinkBack Thread Tools
post #1 of 18 Old 03-17-2006, 11:56 AM Thread Starter
swebilius75
Registered User
 
swebilius75's Avatar
2000 XJ Cherokee 
 
Join Date: Dec 2005
Location: st. louis
Posts: 67
battery wont hold charge any suggestions

battery connections are clean, when jump started shows voltage at 14, just drove it for an hour and is dead again

swebilius75 is offline  
Sponsored Links
Advertisement
 
post #2 of 18 Old 03-17-2006, 12:00 PM
xray
Registered User
 
Join Date: Feb 2006
Location: MI. & WI.
Posts: 92
If the alt is charging then it most likely the battery. How old is it?
xray is offline  
post #3 of 18 Old 03-17-2006, 12:03 PM
Matt Gertsch
www.lp.org
 
Matt Gertsch's Avatar
1999 XJ Cherokee 
 
Join Date: Jan 2005
Location: Nor Cal
Posts: 8,855
Have the battery load tested. If it test good, your alternator is bad.

Derpy Hooves for President in 2012
Matt Gertsch is offline  
post #4 of 18 Old 03-17-2006, 12:05 PM Thread Starter
swebilius75
Registered User
 
swebilius75's Avatar
2000 XJ Cherokee 
 
Join Date: Dec 2005
Location: st. louis
Posts: 67
just bought the battery 2 months ago
swebilius75 is offline  
post #5 of 18 Old 03-17-2006, 12:06 PM
Matt Gertsch
www.lp.org
 
Matt Gertsch's Avatar
1999 XJ Cherokee 
 
Join Date: Jan 2005
Location: Nor Cal
Posts: 8,855
That doesn't matter. Have it load tested.

Derpy Hooves for President in 2012
Matt Gertsch is offline  
post #6 of 18 Old 03-17-2006, 12:22 PM Thread Starter
swebilius75
Registered User
 
swebilius75's Avatar
2000 XJ Cherokee 
 
Join Date: Dec 2005
Location: st. louis
Posts: 67
I will try that once I can get a buddy to jump start me again, im glad to hear nothing about starters. Hope this isnt the start of a lot of things, going out to colorado for a last hurah in the jeeper. It has 230,000m under the hood and dont know how much longer it will love me.
swebilius75 is offline  
post #7 of 18 Old 03-17-2006, 12:24 PM
fryed_1
Registered User
 
Join Date: Jun 2005
Location: Washington DC
Posts: 674
Uhh... pull one of the batt cables while it's running. If it dies then the alternator is most likely dead.

'94 XJ - 8" Long arms, 9" rear, 35's
'89 Waggy
'48 Willys
fryed_1 is offline  
post #8 of 18 Old 03-17-2006, 01:11 PM
91xjgawes
Registered User
 
Join Date: Jan 2006
Location: augusta, georgia
Posts: 1,077
like fryed 1 sayd, take off one of the cables, it will tell you if you need a battery or an alternator

blue jeep club member 174

2001 xj- 2 inch bb moabs

1998 zj 5.2- 245/75's moabs
91xjgawes is offline  
post #9 of 18 Old 03-17-2006, 01:14 PM Thread Starter
swebilius75
Registered User
 
swebilius75's Avatar
2000 XJ Cherokee 
 
Join Date: Dec 2005
Location: st. louis
Posts: 67
i will try once i can get a jump, kinda stuck at work for now.
swebilius75 is offline  
post #10 of 18 Old 03-17-2006, 03:34 PM Thread Starter
swebilius75
Registered User
 
swebilius75's Avatar
2000 XJ Cherokee 
 
Join Date: Dec 2005
Location: st. louis
Posts: 67
well alternator works, im off to get it load tested.
swebilius75 is offline  
post #11 of 18 Old 03-18-2006, 12:33 PM
youngwon22
Registered User
1998 XJ Cherokee 
 
Join Date: Aug 2005
Location: Reno, NV
Posts: 389
Here's the real answer : Fill the battery up with distilled water, go to Pepboys or wherever and have it quickly chared & tested, then re installed the battery and...viola!
youngwon22 is offline  
post #12 of 18 Old 03-18-2006, 01:24 PM
CODE
Registered User
 
Join Date: May 2004
Location: Hamilton, Ontario, Canada
Posts: 175
You do NOT want to disconnect the battery cable while it's running. The battery helps with voltage regulation. It's kindof a giant capacitor which helps the voltage remain at 14 and stable. With no battery on, your voltage will go above 14vdc. A lot of your sensors are not designed for 16-18 volts and can be damaged, particularly the computer.

Check the battery voltage when it sits there, jeep off: 12.8(ish)
Check the battery voltage when the jeep is running: 14(ish)
Check the alternator voltage (post regulator) when the jeep is running: 14(ish)

Check the alternaor voltage with battery disconnected, it is quite high... the batter pulls it down to a happy medium.

That stunt is OK on old vehicles, not anything with a computer. (unless you are OK with misc. component failiure.

DaveH.

DONE:
*98 CHEROKEE SPORT
*RE3.5 W/ EXTREAM DUTY LEAF PACKS, OME SHOCKS (4.5")
*TRXUS M/T's, 31X10.5 on 15x8 (3.25"BS?)
*IPF light housing w/ PIAA bulbs (4300kCalvin)
CODE is offline  
post #13 of 18 Old 03-18-2006, 01:51 PM
anony91xj
Registered User
 
Join Date: Dec 2004
Location: North Jersey
Posts: 2,743
Quote:
Originally Posted by CODE
You do NOT want to disconnect the battery cable while it's running. The battery helps with voltage regulation. It's kindof a giant capacitor which helps the voltage remain at 14 and stable. With no battery on, your voltage will go above 14vdc. A lot of your sensors are not designed for 16-18 volts and can be damaged, particularly the computer.

Check the battery voltage when it sits there, jeep off: 12.8(ish)
Check the battery voltage when the jeep is running: 14(ish)
Check the alternator voltage (post regulator) when the jeep is running: 14(ish)

Check the alternaor voltage with battery disconnected, it is quite high... the batter pulls it down to a happy medium.

That stunt is OK on old vehicles, not anything with a computer. (unless you are OK with misc. component failiure.

DaveH.
Beat me to it. Don't disconnect your battery cable while the car is running.

1998 VW GTI 2.0
anony91xj is offline  
post #14 of 18 Old 03-18-2006, 04:25 PM Thread Starter
swebilius75
Registered User
 
swebilius75's Avatar
2000 XJ Cherokee 
 
Join Date: Dec 2005
Location: st. louis
Posts: 67
thanks but too late, didnt seem to burn the computer up but did get a little smoke from the dash from my stereo. kinda scared to go drive. but yes I did do all the test with voltage and it did turn out to be my starter. new one is on and starts like it was new. just wish smoke didnt come out of my dash.
swebilius75 is offline  
post #15 of 18 Old 03-19-2006, 06:56 PM
fryed_1
Registered User
 
Join Date: Jun 2005
Location: Washington DC
Posts: 674
didn't know that. I've done it quite a few times with no problems... :shrug:

'94 XJ - 8" Long arms, 9" rear, 35's
'89 Waggy
'48 Willys
fryed_1 is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.



Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Jeep Forums Replies Last Post
altenator wont charge battery but somedays it does... joshh44 XJ Cherokee Technical Forum 6 07-13-2008 01:26 PM
Battery won't hold charge?? jirvin8 XJ Cherokee Technical Forum 7 04-22-2007 12:32 PM
help? Alternator tests okay but won't charge battery wvrebecca MJ Comanche Technical Forum 4 02-14-2007 10:06 AM
Batter wont hold charge, help! daciuk55 XJ Cherokee Technical Forum 4 01-16-2007 05:01 PM
Wont keep a charge! Jmila1901 XJ Cherokee Technical Forum 10 06-12-2006 11:14 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome