Forums at Modded Mustangs
Home Register FAQ Members List Calendar Blogs Garage Gallery Search Today's Posts Mark Forums Read


Go Back   Forums at Modded Mustangs > Mustang Forums > 2.3 Mustangs

Discussing Battery light comes on, voltmeter drops when idleing in the 2.3 Mustangs Forum. Alternator shot? Anything else to check? Battery is the huge one from my 460 fairlane...

       

Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free!

 
LinkBack Thread Tools
Old November 6th, 2007, 09:28 AM   #1
Regular
 
BigBlockFairlane's Avatar
 
 
Join Date: Oct 2007
Posts: 133
Default

Battery light comes on, voltmeter drops when idleing


Alternator shot?
Anything else to check?

Battery is the huge one from my 460 fairlane
__________________
http://img150.imageshack.us/img150/6828/23bf5.jpg
Watch it fizz
 
Old November 6th, 2007, 12:08 PM   #2
Site Moderator
 
TurboLX's Avatar
 
1990 Mustang LX Turbo
8.67@165.91 mph
 
Join Date: Oct 2006
Location: Hidden In NY
Posts: 8,336
Default

sounds like the alternator isnt charging, test it first
__________________
Wiring Diagrams, TSB's, OBD Service Codes and Engine Diagrams Available. PM For Info

Myspace
 
Old November 6th, 2007, 01:13 PM   #3
Regular
 
BigBlockFairlane's Avatar
 
 
Join Date: Oct 2007
Posts: 133
Default

Well now it stays on at any RPM, drove it to lunch/Autozone and picked up a new ALT. Hopefully it makes it home.

Ill try the shotgun approach, just start replacing crap starting with the alternator. Its all old anyway. Connector that usually melts still looks good.
__________________
http://img150.imageshack.us/img150/6828/23bf5.jpg
Watch it fizz
 
Old November 6th, 2007, 07:47 PM   #4
Regular
 
BigBlockFairlane's Avatar
 
 
Join Date: Oct 2007
Posts: 133
Default

Fixxored, dead alternator. 10 min, $100.
__________________
http://img150.imageshack.us/img150/6828/23bf5.jpg
Watch it fizz
 
Old November 6th, 2007, 08:11 PM   #5
MSO
MM Fanatic
 
MSO's Avatar
 
1985 1/2 Mustang SVO
 
Join Date: Jul 2006
Location: HMUSN's Closet
Posts: 4,873
Default

cool, glad you fixed it lol
__________________
Games record
Chess: atlacatl213 0-1
Spades: w/ HMUSN 0-1 (hehe, doc can't bid )

If you want to play a game, just ask
 
Old November 6th, 2007, 08:16 PM   #6
Site Moderator
 
TurboLX's Avatar
 
1990 Mustang LX Turbo
8.67@165.91 mph
 
Join Date: Oct 2006
Location: Hidden In NY
Posts: 8,336
Default

Cool deal!
__________________
Wiring Diagrams, TSB's, OBD Service Codes and Engine Diagrams Available. PM For Info

Myspace
 
Reply



Thread Tools


Threads Similar to: Battery light comes on, voltmeter drops when idleing
Thread Thread Starter Forum Replies Last Post
battery light on dash... 1990CA50 5.0 Mustangs 6 February 3rd, 2007 01:02 AM
Stang Stalls while braking and idleing Tscott 99-04 10 January 16th, 2007 10:01 PM
89 LX Idleing Funny Please Help Steves LX Engine 4 December 28th, 2006 05:29 PM
idle problem, I can't get it down from 1g sometimes it drops 91GRNGT 5.0 Mustangs 8 December 17th, 2006 09:24 AM
03 Cobra battery light 04COBRA 99-04 3 September 20th, 2005 09:54 PM


All times are GMT -4. The time now is 06:37 AM.
Modded Mustangs is ©2005-2008, All Rights Reserved, And is Not Affiliated with Ford Motor Company.
Forum is powered by vBulletin ©2000 - 2008, Jelsoft Ent. Ltd. & SEO by vBSEO 3.1.0 ©2007, Crawlability, Inc.