Intermittant battery warning light - Ford Powerstroke Diesel Forum
Powerstroke.org is the premier Diesel Truck Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 09-18-2008, 08:12 PM
Powerstroke.org Rookie
 

Join Date: Sep 2008
Posts: 1
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Question Intermittant battery warning light

I have an 03 F350 6.0L powerstroke dually. My battery warning light keeps coming on intermittantly from 1 second up to 2 minutes. Sometimes it will go on and off over the period of an hour or so then I won't see it for long periods of time even a couple of days. Someone suggested diodes may be going bad in alternator?? Would that turn the light on and off intermittantly?? Someone else suggested that the alternator may have a "diode pack" that can be replaced rather than the entire alternator-anyone know whether this can be done?? Any trouble shooting suggestions would be appreciated.
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2  
Old 09-18-2008, 08:57 PM
Cynic
 

Join Date: Jun 2007
Location: Fort Worth, Texas
Posts: 11,194
Thanks: 0
Thanked 2 Times in 2 Posts
Feedback Score: 0 reviews
alt output is below 13.5 or above 14.5 (something like that). If it's that random, check all the connections and get it tested on the truck and then bench test it. In a perfect world, they should test the same. They probably won't. If there is more than a 20% difference, replace it.

Also, have the batts checked OFF the truck.
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

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.



Thread Tools
Display Modes

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 On
Pingbacks are On
Refbacks are On



All times are GMT -8. The time now is 12:23 PM.


Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.1
Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.

vB.Sponsors