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alternator issues

  1. Classic Tech
    My 1966 alternator is overcharging my battery, how big of a problem is this? Is this due to a bad ground? A bad regulator? Please advise! Thanks to all you mustang enthusiasts.
  2. 4.6L Talk
    Hello AFM members! I have a 1998 mustang gt (stick), sometimes stalled when i tryed to start it, after that it will stay running. However when the car warms up, and i roll up to a red light, and stop, the rpm will drop to 500 rpm, not all the time but sometimes. It also gets a little shakey when...
  3. Classic Tech
    Hi I have a 1998 mustang GT, It will sometimes drive great, but sometimes crank but no start, When it does start it idles weird, at stops the rpm will dip really low and then raise back up to normal. The battery in it is a little smaller than it says to get, however it does read 12.94 volts not...
  4. V6 Talk
    I have a 2003 v6 mustang, with the mach 460 sound system, removed, and a complete aftermarket sony system, with a 2000watt power acustic amp, running 2 jbl 12's on a sealed box and a 1 farad cap. the stereo was installed on the original alternator,, which worked fine for the first year, then...
  5. 5.0L Talk
    which year of f150 V6 alternator pulley can be used on a 89 mustang gt. battery keeps dying and its new so is the alternator. i been told a smaller pulley will move faster thus allwoing charing more
  6. 4.6L Tech
    Hi everyone. I need some good reliable help to a proble that isn't that big. I replaced my alternator, battery and belt on yesterday (12/26/10) on my 2003 Mustang GT. The car had absolutely NO previous issues. Everything went fine with the project until I fired her up and that's when I...
  7. 2005-2010 V6 Mustang Tech
    :headscratch: Since November, my 2006 4.0's battery has had to been jumped 4 times. When the car does start (Wether being jumped or on its own), it takes a second to start, and once it finally does ingite, a nice loud whistling sound goes for about 3 seconds. I am afraid that the alternator is...
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