Volt meter = 12 volts for a minute then ~9.5 - JeepForum.com
 
LinkBack Thread Tools
post #1 of 2 Old 10-09-2015, 07:50 PM Thread Starter
thelazerviking
Registered User
2001 XJ Cherokee 
 
Join Date: Dec 2006
Location: Omaha
Posts: 48
Volt meter = 12 volts for a minute then ~9.5

EDIT: SOLVED! I TAPPED THE BACK OF THE ALTERNATOR WITH A HEAVY PIPE. SEEMS LIKE THE BRUSHES GET STUCK/ WORN OUT.

2001 XJ

The nut fell off my battery strap, it shook around and the caps came off, voltage dropped to 9..."check gauges" light comes on

Got a new battery and terminals, same problem.

I turn it off, start it up, 12 V, run it for 30-60 seconds and then the voltage drops down to ~9,9.5. This is consistent, every time for 2 days now.

Anyone seen this?



I'd rather change an alternator than PCM. Doubt it's a loose wire. I'll check the alternator tomorrow.

thelazerviking is offline  
Sponsored Links
Advertisement
 
post #2 of 2 Old 10-22-2015, 07:19 PM
CJ7-Tim
Real Jeeps have dents
 
CJ7-Tim's Avatar
2000 XJ Cherokee 
 
Join Date: Apr 2002
Location: out in the garage - Minneapolis
Posts: 24,529
Typically with later XJ and the TJ, if the voltage meter reads around 9 volts there is an alternator issue, usually sticky/worn brushes. If the voltage gauge reads 19 volts, there is a connectivity issue, and you need to look at the wiring and and wire connections to the battery and alternator. This is assuming your battery has tested good.

.

A recent Gallup public opinion poll shows the NRA, at 58% approval, has a higher approval rating than either Hillary Clinton or Barack Obama.

Progressive Liberalism: Bringing you new Healthcare ideas so wonderful, they have to include mandatory participation ...

Originally Posted by Ronald W. Reagan: Government is not the solution to our problems; Government is the problem.
CJ7-Tim 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



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