Battery Light - Mustang Evolution

Go Back   Mustang Evolution > 4 Cylinder | V6 | Classic Mustangs || Tech and Talk > 2005-2010 V6 Mustang



Reply
 
Thread Tools Search this Thread
Please support our sponsors and let them know you heard about them here!
Old 06-28-2016, 05:33 PM   #1
Registered User
Newbie
 
Join Date: Jun 2016
Location: Phoenix
Region: Arizona
Posts: 2
Battery Light

Hey everyone, first time poster on this site so sorry if I don't know all the lingo. I have a 2005 V6 4.0L Mustang. First time Mustang owner and it is my first car. When I bought it I noticed it was going to be a lot of work and money to fix it up. One of the main problems I have noticed is the battery light turning on and off. It just randomly turns on and off, with that being said the car has never turned off on me (thank god) It used to pop up maybe once every two weeks. Now I am noticing it is popping up almost every time I drive it. The light pops up for about 2 minutes then disappears then does it again. I took it to Autozone and got the battery and alternator checked out, they both are fine. So I checked the fuse box and its still good. I have yet to check the ground cables which I will be doing soon. The thing I want to know is if there are anymore things I should check that could be causing this. Any help is appreciated, thanks guys.
Ramram563 is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 06-28-2016, 07:55 PM   #2
Registered Member
Regular
 
Diehard's Avatar
 
Join Date: Mar 2014
Location: North Reading
Region: Massachusetts
Posts: 2,112
Quote:
Originally Posted by Ramram563 View Post
Hey everyone, first time poster on this site so sorry if I don't know all the lingo. I have a 2005 V6 4.0L Mustang. First time Mustang owner and it is my first car. When I bought it I noticed it was going to be a lot of work and money to fix it up. One of the main problems I have noticed is the battery light turning on and off. It just randomly turns on and off, with that being said the car has never turned off on me (thank god) It used to pop up maybe once every two weeks. Now I am noticing it is popping up almost every time I drive it. The light pops up for about 2 minutes then disappears then does it again. I took it to Autozone and got the battery and alternator checked out, they both are fine. So I checked the fuse box and its still good. I have yet to check the ground cables which I will be doing soon. The thing I want to know is if there are anymore things I should check that could be causing this. Any help is appreciated, thanks guys.
Were they able to test the alternator while the red light was on? Sometimes the built in voltage regulator fluctuates when it's on it's way out.
You should try to check the alternator output while the red light is on. If you don't already have one you should buy yourself a multimeter.
After checking cables for tightness, check alternator belt for looseness.
__________________
____________________________________________________
14 V6 auto, MCA, PP, BBK Shorties, MMD Hood Struts, Borla Touring A/B's, MAC ProChamber, aFe drop-in Filter
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lets not forget, an opinion is a judgment, viewpoint, or statement about matters commonly considered to be subjective.
Diehard is offline   Reply With Quote
Old 06-29-2016, 11:01 AM   #3
Staff

Regular
Staff
 
Strange Mud's Avatar
 
Join Date: Aug 2013
Location: Small Town
Region: Connecticut
Posts: 5,020
Ram,

what DH said....check connections at alt & battery also check voltage at battery. Good luck and let us know what you find if we can we'll give you more things to try.

Welcome to Mevo

Mud
__________________
2012 V6 with suspension, shifting, stopping and sound mods.
Strange Mud is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 06-29-2016, 11:03 AM   #4
Registered Member
Regular
 
tombrochard's Avatar
 
Join Date: Feb 2016
Location: Madison
Region: Connecticut
Posts: 182
A loose connection on the charging post of the alternator will produce that condition


Sent from my iPhone using Mustang Evolution
__________________
2011 V6 Premium Pony Package
Bama Tunes, BBK Shorty Headers, Magnaflow Exhaust, Airaid cold air intake
Flux Capacitor with a Mr. Fusion
tombrochard is offline   Reply With Quote
Old 06-30-2016, 06:27 PM   #5
Registered User
Newbie
 
Join Date: Jun 2016
Location: Phoenix
Region: Arizona
Posts: 2
They weren't able to test it while the battery light was on. I think I have a multimeter lying around so I'll check that all out and let you know.

Sent from my SAMSUNG-SM-G920AZ using Mustang Evolution mobile app
Ramram563 is offline   Reply With Quote
Old 07-01-2016, 09:01 AM   #6
Staff

Regular
Staff
 
Strange Mud's Avatar
 
Join Date: Aug 2013
Location: Small Town
Region: Connecticut
Posts: 5,020
car off 12.6 volts
running 13.6-14.6
__________________
2012 V6 with suspension, shifting, stopping and sound mods.
Strange Mud is offline   Reply With Quote
Old 07-03-2016, 10:00 AM   #7
Registered Member
Regular
 
jeno's Avatar
 
Join Date: May 2015
Location: san antonio texas
Posts: 1,069
Quote:
Originally Posted by Strange Mud View Post
car off 12.6 volts
running 13.6-14.6
Is that checking all wires to the alternator pigtail with the car on your suppose to have power to all wires not just one and that's not running just with the ignition in the on position

Sent from my SM-N910T using Mustang Evolution mobile app
jeno is offline   Reply With Quote
Old 07-04-2016, 05:26 AM   #8
Staff

Regular
Staff
 
Strange Mud's Avatar
 
Join Date: Aug 2013
Location: Small Town
Region: Connecticut
Posts: 5,020
i was referring to battery. You would have to look at a schematic for the alt.
__________________
2012 V6 with suspension, shifting, stopping and sound mods.
Strange Mud is offline   Reply With Quote
Reply

Lower Navigation
Go Back   Mustang Evolution > 4 Cylinder | V6 | Classic Mustangs || Tech and Talk > 2005-2010 V6 Mustang

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not 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 Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Oil light+Battery light= MAF Error... rebeltx 2011-2014 V6 Mustang 0 05-03-2013 03:43 PM
Battery Light megax29 Pre-2005 V6 Mustang 1 06-20-2007 04:11 PM
Battery light comes on under hard acceleration Brent Pre-2005 V6 Mustang 23 02-05-2005 04:18 PM
Battery Light fordfan1184 Pre-2005 V6 Mustang 2 08-27-2003 04:16 PM

» Like Us On Facebook



03:20 PM


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO 3.6.0

MustangEvolution.com is in no way associated with or endorsed by Ford Motor Company.