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some times it will sqeal, but most of the time the battery will not stay charged.... take your car to a discount parts dealer that will check your "alternator output" for FREE!!!! most places that sell alt. will check them for free, just drive car there and they will come out and test it while it is in the car. you do not have to remove it from your car!!!!! also you can disconnect battery while car is running ...and if the car turns off or runs poorly after disconnecting battery, then that means the alternator is going bad. but have it check first before buying new one....GOOD LUCK
What else can I help you with?
How do you know when the alternator is going bad?
When your battery does not get charge.
I need to know on big eighteen wheelers 2000 peterbilt truck how do you know when the alternator is going bad?
Signs that your alternator is going bad will include but not be limited to: Electronics such as Stereo, CB, Etc turn off. Gauges such as Speedometer and Tach read in accurately or stop functioning. Motor won't start.
Does an alternator make noises when it is going bad?
If bearings go bad they will "squeal"
Alternator keeps going bad?
There are a few reasons why your alternator might keep going bad such as rusty latches under the car. You may also have leaks, dents, or parts that need to be replaced on the vehicle that are effecting your alternator.
Why is your alternator making a noise?
Normally this is the bearings going bad.
How do you know you have a bad alternator?
Turn car on remove positive battery terminal if car turns off alternator is bad
What are symptoms of bad alternator?
There are several signs that an alternator is going bad. A few signs are dim lights, smell, warning lights, and a dead battery.
What are the chances of an alternator fuse going bad before the actual alternator on a Ford E-250 van?
good
How do you know when alternator is bad?
Typically you know your alternator is out when you have to jump start your car numerous times. A way you can test it is by turning on your car and while it's running discount the + terminal. If the car turns off then your alternator is bad. If the car remains in then alternator is good and possible bad battery. Hope this helps
Why are your head lights dim on your 1999 Chevy Venture?
Alternator is going out? battery is going bad?
How do you know if your alternator is bad?
If it is makeing a noise or is not putting out at least 13.5 volts it is bad. Take the car or the alternator to an Auto Parts store and have them load test the alternator to be sure.
How do you know the alternator is going bad?
Get a "multimeter" which is a device that measures many electrical currents and put the positive and negatives on the corisponding terminals of the alternator you should be getting a reading of 12 to 14 volts if this doesn't happen then your alternator is'nt working properly
