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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
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Alternator not charging.. help!

  • Thread starter Thread starter Ny Mustang Guy
  • Start date Start date May 7, 2006

Ny Mustang Guy

Founding Member
Dec 10, 2001
322
0
0
Queens Nyc
May 7, 2006
#1
  • May 7, 2006
  • #1
just replaced the alternator and charged my battery..

with the car off the battery reads 12v... with the car on the battery reads slightly over 12v

what gives?..
 

Ny Mustang Guy

Founding Member
Dec 10, 2001
322
0
0
Queens Nyc
May 7, 2006
#2
  • May 7, 2006
  • #2
i have the old style alt also.. external regulator... the three posts in the back are red: Batt White: Cant make it out... and Black: Sta...
 

bill302

Active Member
Nov 2, 2005
2,131
1
46
alabama,gadsden
May 7, 2006
#3
  • May 7, 2006
  • #3
bad regulator remove it and have it tested it at any autoparts store i know autozone tests them and a new one cost about $15....
 

Ny Mustang Guy

Founding Member
Dec 10, 2001
322
0
0
Queens Nyc
May 8, 2006
#4
  • May 8, 2006
  • #4
bought one.. and replaced the old one.. still didnt charge

I ended up buying a 1wire 100Amp Alt..
Long story short.. I needed a good engine to chassis ground!! (being that I put my battery to the back..)
 

bill302

Active Member
Nov 2, 2005
2,131
1
46
alabama,gadsden
May 8, 2006
#5
  • May 8, 2006
  • #5
click on thread link below and scroll down to jrichkers post and read about proper ways for running grounds.hope it helps...

http://forums.stangnet.com/showthread.php?t=621008&highlight=battery+installation
 
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