How can I tell if my battery or alternator is bad?
How can I tell if my battery or alternator is bad?
Some of the things to look for are no-starting and trouble starting, dimming lights and problems with stereo system output. If your car starts but stalls when you’re underway, your battery is probably not being recharged due to a faulty alternator.
Why does my 2003 suburban battery keep draining?
The battery on my 2003 Suburban keeps being drained. I charge it up to 12+ volts and overnight it drains to about 5-6 volts. I believe I have ruled out a bad battery as I have switched it with another vehicle and the problem stays with the Sub.
How many volts does a Chevy Suburban battery have?
At 14.75 volts that is actually a little high. A discharged battery that is still good will read around 11.6 volts. Any less than that the battery is trash.
Are there any recalls on the GM 2003 suburban?
Almost all these GM’s have recalls on the computers. The 2003 has a specific recall that says they have to re-program it for free (you can find it on the net if you trust that method). I don’t. Even if they did this free I don’t trust them messing something else up for a later return no on free recall.
What should the discharge voltage be on a car battery?
A discharged battery that is still good will read around 11.6 volts. Any less than that the battery is trash. You can also hook you ammeter up in series with the battery cable and start pulling fuses one by one and checkin the amp draw, you are most likely looking for a draw on the battery side of the fuse panel and not the switched accessories.
The battery on my 2003 Suburban keeps being drained. I charge it up to 12+ volts and overnight it drains to about 5-6 volts. I believe I have ruled out a bad battery as I have switched it with another vehicle and the problem stays with the Sub.
At 14.75 volts that is actually a little high. A discharged battery that is still good will read around 11.6 volts. Any less than that the battery is trash.
Almost all these GM’s have recalls on the computers. The 2003 has a specific recall that says they have to re-program it for free (you can find it on the net if you trust that method). I don’t. Even if they did this free I don’t trust them messing something else up for a later return no on free recall.
Why does my Buick Enclave battery drain while driving?
If the battery is draining while you’re driving, that is probably going to be the alternator or battery. There are other situations as well. We’ll cover those for you below.
