hey i have a 91 acura gs. Sometimes when i don't start it for two days, it doesn't want to start anymore (unless i use a jump cable), and when i start it and don't move for too long (stand still), the battery seems to become weak, and the car dies (then i need to jump cable it to restart). If i drive, it seems that my car works fine. could it be my alternator? or my battery? but the thing is that i changed my alternator and my battery 7 months ago. i know that sometime that alternator can be defective. 7 months ago, when i changed my alternator, one of my friend did it for me, so i just bought the alternator. i was wondering how much it will cost me it i take it too a garage if the cause of the problem is the alternator. tks for any helps.Is my alternator dead?
IT IS NOT UR BATTERY....ITS EITHER UR ALTERNATOR OR UR BATTERY TERMINALS ARE CORRODED
CHECK THE TERMINALS FIRST AND IF THEY ARE JUST GET THEM CLEANED BUT IF NOT IT IS UR ALTERNATORIs my alternator dead?
to check the alternator pull the positive terminal off with it running if the car stalls the alt is bad. if not its working. sounds like the battery is shot and if you've run it dead enough times that's probably why. it should still be under warranty after only 7 months take it back they should test it and replace it if it's bad for free. also check and clean all the terminal connections on the battery and alt.Is my alternator dead?
you need to take the alternator to the auto parts store. they will check it for free. also take your battery. and you can decide from there what you will need.Is my alternator dead?
Probably the battery..
Take it to almost any auto parts
store or Wal Mart and they will
test both the battery and alternator
for free...Is my alternator dead?
yep sounds like the alternator also check ur battery cables and grounds.Is my alternator dead?
It's a crappy battery.Is my alternator dead?
First make sure your connections are tight and clean. A battery brush costs a few dollars at a parts store, use it to clean the terminals and posts to shiny metal.
Use a multimeter to check the voltage before you start it, it should be around or slightly over 12v. A cheap multimeter can be had at Wal -Mart for $20.
After starting the car, the alternator should be charging the battery at 14.5 volts or pretty close to that. If it's only charging at 12 volts, it is a defective alternator, or voltage regulator. It could also be a poor connection.
Drive the car with the meter hooked up to the cigarette lighter port. (Get help for this one) If the car isn't charging but suddenly kicks in while driving then either the alternator is bad or the circuit that activates the alternator is bad.
DO NOT test the system by disconnecting the battery cable with the car running! This worked in 1955 when cars had generators instead of alternators. On a modern car you stand a good chance of frying your computer and costing yourself a lot more money.
Many places will test your charging for free, but remember that they profit from a car that needs repair, so be cautious.
